Update to latest compatible gems.

Author: paulpref

Gemfile.lock

@@ -2,31 +2,31 @@ GEM
   remote: https://rubygems.org/
   specs:
     daemons (1.1.9)
-    eventmachine (1.0.3)
-    mail (2.5.4)
-      mime-types (~> 1.16)
-      treetop (~> 1.4.8)
-    mime-types (1.25.1)
-    polyglot (0.3.3)
-    pony (1.8)
-      mail (>= 2.0)
-    rack (1.5.2)
-    rack-protection (1.5.2)
+    eventmachine (1.0.4)
+    mail (2.6.3)
+      mime-types (~> 2.4)
+      treetop (~> 1.5.3)
+    mime-types (2.4.3)
+    polyglot (0.3.5)
+    pony (1.11)
+      mail (>= 2.6)
+    rack (1.6.0)
+    rack-protection (1.5.3)
       rack
     shotgun (0.9)
-      rack (>= 1.0)
-    sinatra (1.4.4)
-      rack (~> 1.4)
-      rack-protection (~> 1.4)
-      tilt (~> 1.3, >= 1.3.4)
-    thin (1.6.1)
-      daemons (>= 1.0.9)
+      rack (>= 1.6)
+    sinatra (1.4.5)
+      rack (~> 1.6)
+      rack-protection (~> 1.5)
+      tilt (~> 1.4, >= 1.4.1)
+    thin (1.6.3)
+      daemons (>= 1.1.9)
       eventmachine (>= 1.0.0)
-      rack (>= 1.0.0)
+      rack (>= 1.6.0)
     tilt (1.4.1)
-    treetop (1.4.15)
+    treetop (1.5.3)
       polyglot
-      polyglot (>= 0.3.1)
+      polyglot (>= 0.3.5)
 
 PLATFORMS
   ruby