diff --git a/package-lock.json b/package-lock.json
index 43f6d0ca1..657c361c2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -298,7 +298,8 @@
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               "version": "2.1.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -349,7 +350,8 @@
             "balanced-match": {
               "version": "0.4.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -363,7 +365,6 @@
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-              "dev": true,
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                 "inherits": "~2.0.0"
               }
@@ -372,6 +373,7 @@
               "version": "2.10.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "hoek": "2.x.x"
               }
@@ -380,6 +382,7 @@
               "version": "1.1.7",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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@@ -388,7 +391,8 @@
             "buffer-shims": {
               "version": "1.0.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -405,12 +409,14 @@
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               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
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               "version": "1.0.5",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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@@ -418,17 +424,20 @@
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               "version": "0.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
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               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -474,7 +483,8 @@
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               "version": "1.0.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -500,7 +510,8 @@
             "extsprintf": {
               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
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@@ -522,12 +533,14 @@
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               "version": "1.0.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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             "fstream": {
               "version": "1.0.11",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "graceful-fs": "^4.1.2",
                 "inherits": "~2.0.0",
@@ -583,6 +596,7 @@
               "version": "7.1.2",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "fs.realpath": "^1.0.0",
                 "inflight": "^1.0.4",
@@ -595,7 +609,8 @@
             "graceful-fs": {
               "version": "4.1.11",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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               "version": "1.0.5",
@@ -634,7 +649,8 @@
             "hoek": {
               "version": "2.16.3",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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               "version": "1.1.1",
@@ -651,6 +667,7 @@
               "version": "1.0.6",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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@@ -658,8 +675,7 @@
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               "version": "2.0.3",
-              "bundled": true,
-              "dev": true
+              "bundled": true
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               "version": "1.3.4",
@@ -671,6 +687,7 @@
               "version": "1.0.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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@@ -684,7 +701,8 @@
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               "version": "1.0.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
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@@ -757,12 +775,14 @@
             "mime-db": {
               "version": "1.27.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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             "mime-types": {
               "version": "2.1.15",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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               }
@@ -771,6 +791,7 @@
               "version": "3.0.4",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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@@ -778,12 +799,14 @@
             "minimist": {
               "version": "0.0.8",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "mkdirp": {
               "version": "0.5.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "minimist": "0.0.8"
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@@ -836,7 +859,8 @@
             "number-is-nan": {
               "version": "1.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
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@@ -854,6 +878,7 @@
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               "bundled": true,
               "dev": true,
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               "requires": {
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@@ -883,7 +908,8 @@
             "path-is-absolute": {
               "version": "1.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -894,7 +920,8 @@
             "process-nextick-args": {
               "version": "1.0.7",
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-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -932,6 +959,7 @@
               "version": "2.2.9",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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                 "core-util-is": "~1.0.0",
@@ -976,6 +1004,7 @@
               "version": "2.6.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "glob": "^7.0.5"
               }
@@ -983,7 +1012,8 @@
             "safe-buffer": {
               "version": "5.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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             "semver": {
               "version": "5.3.0",
@@ -1041,6 +1071,7 @@
               "version": "1.0.2",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "code-point-at": "^1.0.0",
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@@ -1051,6 +1082,7 @@
               "version": "1.0.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "safe-buffer": "^5.0.1"
               }
@@ -1065,6 +1097,7 @@
               "version": "3.0.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "ansi-regex": "^2.0.0"
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@@ -1075,16 +1108,6 @@
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-                "fstream": "^1.0.2",
-                "inherits": "2"
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@@ -1134,7 +1157,8 @@
             "util-deprecate": {
               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -1163,7 +1187,8 @@
             "wrappy": {
               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -1197,6 +1222,7 @@
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           "integrity": "sha1-gTg9ctsFT8zPUzbaqQLxgvbtuyg=",
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -1237,7 +1263,8 @@
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           "integrity": "sha1-Hzsm72E7IUuIy8ojzGwB2Hlh7sw=",
-          "dev": true
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+          "optional": true
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@@ -1267,13 +1294,15 @@
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           "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-1.0.0.tgz",
           "integrity": "sha1-rEaBd8SUNAWgkvyPKXYMb/xiBsA=",
-          "dev": true
+          "dev": true,
+          "optional": true
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         "is-glob": {
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           "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-2.0.1.tgz",
           "integrity": "sha1-0Jb5JqPe1WAPP9/ZEZjLCIjC2GM=",
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -1306,7 +1335,8 @@
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           "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
           "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -1323,6 +1353,7 @@
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           "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -1385,6 +1416,7 @@
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           "integrity": "sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=",
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -1553,13 +1585,15 @@
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           "integrity": "sha1-wkvOKig62tW8P1jg1IJJuSN52O8=",
-          "dev": true
+          "dev": true,
+          "optional": true
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           "resolved": "https://registry.npmjs.org/repeat-element/-/repeat-element-1.1.2.tgz",
           "integrity": "sha1-7wiaF40Ug7quTZPrmLT55OEdmQo=",
-          "dev": true
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+          "optional": true
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@@ -1572,7 +1606,8 @@
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-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "set-immediate-shim": {
           "version": "1.0.1",
@@ -3683,6 +3718,23 @@
         }
       }
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+    "balanced-match": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
+      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==",
+      "dev": true,
+      "optional": true
+    },
+    "block-stream": {
+      "version": "0.0.9",
+      "resolved": "https://registry.npmjs.org/block-stream/-/block-stream-0.0.9.tgz",
+      "integrity": "sha1-E+v+d4oDIFz+A3UUgeu0szAMEmo=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "inherits": "~2.0.0"
+      }
+    },
     "body-parser": {
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       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.18.2.tgz",
@@ -3818,6 +3870,17 @@
         }
       }
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+    "brace-expansion": {
+      "version": "1.1.11",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
+      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "balanced-match": "^1.0.0",
+        "concat-map": "0.0.1"
+      }
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       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.0.0.tgz",
@@ -3872,6 +3935,13 @@
       "integrity": "sha1-pdDKFOMpp5WW7XAFi2ZGvWmIz+k=",
       "dev": true
     },
+    "concat-map": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+      "dev": true,
+      "optional": true
+    },
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       "resolved": "https://registry.npmjs.org/core-js/-/core-js-1.2.7.tgz",
@@ -7137,6 +7207,48 @@
         "ua-parser-js": "^0.7.9"
       }
     },
+    "fs.realpath": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
+      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
+      "dev": true,
+      "optional": true
+    },
+    "fstream": {
+      "version": "1.0.12",
+      "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.12.tgz",
+      "integrity": "sha512-WvJ193OHa0GHPEL+AycEJgxvBEwyfRkN1vhjca23OaPVMCaLCXTd5qAu82AjTcgP1UJmytkOKb63Ypde7raDIg==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "graceful-fs": "^4.1.2",
+        "inherits": "~2.0.0",
+        "mkdirp": ">=0.5 0",
+        "rimraf": "2"
+      }
+    },
+    "glob": {
+      "version": "7.1.7",
+      "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.7.tgz",
+      "integrity": "sha512-OvD9ENzPLbegENnYP5UUfJIirTg4+XwMWGaQfQTY0JenxNvvIKP3U3/tAQSPIu/lHxXYSZmpXlUHeqAIdKzBLQ==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "fs.realpath": "^1.0.0",
+        "inflight": "^1.0.4",
+        "inherits": "2",
+        "minimatch": "^3.0.4",
+        "once": "^1.3.0",
+        "path-is-absolute": "^1.0.0"
+      }
+    },
+    "graceful-fs": {
+      "version": "4.2.6",
+      "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.6.tgz",
+      "integrity": "sha512-nTnJ528pbqxYanhpDYsi4Rd8MAeaBA67+RZ10CM1m3bTAVFEDcd5AuA4a6W5YkGZ1iNXHzZz8T6TBKLeBuNriQ==",
+      "dev": true,
+      "optional": true
+    },
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       "resolved": "https://registry.npmjs.org/icepick/-/icepick-1.3.0.tgz",
@@ -7157,6 +7269,24 @@
       "integrity": "sha1-wkOZUUVbs5kT2vKBN28VMOEErfM=",
       "dev": true
     },
+    "inflight": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
+      "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "once": "^1.3.0",
+        "wrappy": "1"
+      }
+    },
+    "inherits": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+      "dev": true,
+      "optional": true
+    },
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       "resolved": "https://registry.npmjs.org/invariant/-/invariant-2.2.2.tgz",
@@ -7911,6 +8041,33 @@
         "js-tokens": "^3.0.0"
       }
     },
+    "minimatch": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
+      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "brace-expansion": "^1.1.7"
+      }
+    },
+    "minimist": {
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
+      "dev": true,
+      "optional": true
+    },
+    "mkdirp": {
+      "version": "0.5.5",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz",
+      "integrity": "sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "minimist": "^1.2.5"
+      }
+    },
     "mocha": {
       "version": "2.5.3",
       "resolved": "https://registry.npmjs.org/mocha/-/mocha-2.5.3.tgz",
@@ -8081,6 +8238,23 @@
       "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=",
       "dev": true
     },
+    "once": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "wrappy": "1"
+      }
+    },
+    "path-is-absolute": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
+      "dev": true,
+      "optional": true
+    },
     "promise": {
       "version": "7.3.1",
       "resolved": "https://registry.npmjs.org/promise/-/promise-7.3.1.tgz",
@@ -8567,6 +8741,16 @@
       "integrity": "sha1-5hWhbha0ehmlFXZhM9Hj6Zt4UuU=",
       "dev": true
     },
+    "rimraf": {
+      "version": "2.7.1",
+      "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
+      "integrity": "sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "glob": "^7.1.3"
+      }
+    },
     "safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
@@ -8680,6 +8864,18 @@
       "integrity": "sha512-e900nM8RRtGhlV36KGEU9k65K3mPb1WV70OdjfxlG2EAuM1noi/E/BaW/uMhL7bPEssK8QV57vN3esixjUvcXQ==",
       "dev": true
     },
+    "tar": {
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-2.2.2.tgz",
+      "integrity": "sha512-FCEhQ/4rE1zYv9rYXJw/msRqsnmlje5jHP6huWeBZ704jUTy02c5AZyWujpMR1ax6mVw9NyJMfuK2CMDWVIfgA==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "block-stream": "*",
+        "fstream": "^1.0.12",
+        "inherits": "2"
+      }
+    },
     "time-stamp": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/time-stamp/-/time-stamp-2.0.0.tgz",
@@ -9116,7 +9312,8 @@
             "ansi-regex": {
               "version": "2.1.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "aproba": {
               "version": "1.1.1",
@@ -9167,7 +9364,8 @@
             "balanced-match": {
               "version": "0.4.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "bcrypt-pbkdf": {
               "version": "1.0.1",
@@ -9181,7 +9379,6 @@
             "block-stream": {
               "version": "0.0.9",
               "bundled": true,
-              "dev": true,
               "requires": {
                 "inherits": "~2.0.0"
               }
@@ -9190,6 +9387,7 @@
               "version": "2.10.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "hoek": "2.x.x"
               }
@@ -9198,6 +9396,7 @@
               "version": "1.1.7",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "balanced-match": "^0.4.1",
                 "concat-map": "0.0.1"
@@ -9206,7 +9405,8 @@
             "buffer-shims": {
               "version": "1.0.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "caseless": {
               "version": "0.12.0",
@@ -9223,12 +9423,14 @@
             "code-point-at": {
               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "combined-stream": {
               "version": "1.0.5",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "delayed-stream": "~1.0.0"
               }
@@ -9236,17 +9438,20 @@
             "concat-map": {
               "version": "0.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "console-control-strings": {
               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "core-util-is": {
               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "cryptiles": {
               "version": "2.0.5",
@@ -9292,7 +9497,8 @@
             "delayed-stream": {
               "version": "1.0.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "delegates": {
               "version": "1.0.0",
@@ -9318,7 +9524,8 @@
             "extsprintf": {
               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "forever-agent": {
               "version": "0.6.1",
@@ -9340,12 +9547,14 @@
             "fs.realpath": {
               "version": "1.0.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "fstream": {
               "version": "1.0.11",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "graceful-fs": "^4.1.2",
                 "inherits": "~2.0.0",
@@ -9401,6 +9610,7 @@
               "version": "7.1.2",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "fs.realpath": "^1.0.0",
                 "inflight": "^1.0.4",
@@ -9413,7 +9623,8 @@
             "graceful-fs": {
               "version": "4.1.11",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "har-schema": {
               "version": "1.0.5",
@@ -9452,7 +9663,8 @@
             "hoek": {
               "version": "2.16.3",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "http-signature": {
               "version": "1.1.1",
@@ -9469,6 +9681,7 @@
               "version": "1.0.6",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "once": "^1.3.0",
                 "wrappy": "1"
@@ -9476,8 +9689,7 @@
             },
             "inherits": {
               "version": "2.0.3",
-              "bundled": true,
-              "dev": true
+              "bundled": true
             },
             "ini": {
               "version": "1.3.4",
@@ -9489,6 +9701,7 @@
               "version": "1.0.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "number-is-nan": "^1.0.0"
               }
@@ -9502,7 +9715,8 @@
             "isarray": {
               "version": "1.0.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "isstream": {
               "version": "0.1.2",
@@ -9575,12 +9789,14 @@
             "mime-db": {
               "version": "1.27.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "mime-types": {
               "version": "2.1.15",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "mime-db": "~1.27.0"
               }
@@ -9589,6 +9805,7 @@
               "version": "3.0.4",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "brace-expansion": "^1.1.7"
               }
@@ -9596,12 +9813,14 @@
             "minimist": {
               "version": "0.0.8",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "mkdirp": {
               "version": "0.5.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "minimist": "0.0.8"
               }
@@ -9654,7 +9873,8 @@
             "number-is-nan": {
               "version": "1.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "oauth-sign": {
               "version": "0.8.2",
@@ -9672,6 +9892,7 @@
               "version": "1.4.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "wrappy": "1"
               }
@@ -9701,7 +9922,8 @@
             "path-is-absolute": {
               "version": "1.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "performance-now": {
               "version": "0.2.0",
@@ -9712,7 +9934,8 @@
             "process-nextick-args": {
               "version": "1.0.7",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "punycode": {
               "version": "1.4.1",
@@ -9750,6 +9973,7 @@
               "version": "2.2.9",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "buffer-shims": "~1.0.0",
                 "core-util-is": "~1.0.0",
@@ -9794,6 +10018,7 @@
               "version": "2.6.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "glob": "^7.0.5"
               }
@@ -9801,7 +10026,8 @@
             "safe-buffer": {
               "version": "5.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "semver": {
               "version": "5.3.0",
@@ -9859,6 +10085,7 @@
               "version": "1.0.2",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "code-point-at": "^1.0.0",
                 "is-fullwidth-code-point": "^1.0.0",
@@ -9869,6 +10096,7 @@
               "version": "1.0.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "safe-buffer": "^5.0.1"
               }
@@ -9883,6 +10111,7 @@
               "version": "3.0.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "ansi-regex": "^2.0.0"
               }
@@ -9893,16 +10122,6 @@
               "dev": true,
               "optional": true
             },
-            "tar": {
-              "version": "2.2.1",
-              "bundled": true,
-              "dev": true,
-              "requires": {
-                "block-stream": "*",
-                "fstream": "^1.0.2",
-                "inherits": "2"
-              }
-            },
             "tar-pack": {
               "version": "3.4.0",
               "bundled": true,
@@ -9952,7 +10171,8 @@
             "util-deprecate": {
               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "uuid": {
               "version": "3.0.1",
@@ -9981,7 +10201,8 @@
             "wrappy": {
               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             }
           }
         },
@@ -10908,6 +11129,13 @@
       "resolved": "https://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz",
       "integrity": "sha512-dcQ1GWpOD/eEQ97k66aiEVpNnapVj90/+R+SXTPYGHpYBBypfKJEQjLrvMZ7YXbKm21gXd4NcuxUTjiv1YtLng==",
       "dev": true
+    },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true,
+      "optional": true
     }
   }
 }