Update dependencies.

Author: cscott

package.json

@@ -21,11 +21,11 @@
         "url": "https://github.com/cscott/texvcjs/issues"
     },
     "dependencies": {
-        "commander": "~2.3.0"
+        "commander": "~2.5.0"
     },
     "devDependencies": {
         "jshint": "~2.5.2",
-        "mocha": "~1.20.1",
+        "mocha": "~2.0.1",
         "pegjs": "~0.8.0"
     },
     "bin": {

test/en-wiki-formulae.js

@@ -170,6 +170,8 @@ var known_bad = Object.create(null);
 var CHUNKSIZE = 1000;
 
 describe('All formulae from en-wiki:', function() {
+    this.timeout(0);
+
     // read test cases
     var formulae =
         fs.readFileSync(path.join(__dirname, 'en-wiki-formulae.txt'), 'utf8').