chore(deps): bump development dependencies

Author: passy

package.json

@@ -29,15 +29,15 @@
     "yo": ">=1.0.0-rc.1.1"
   },
   "devDependencies": {
-    "mocha": "~1.12.0",
+    "mocha": "~1.13.0",
     "grunt": "~0.4.1",
     "grunt-contrib-jshint": "~0.6.0",
     "grunt-conventional-changelog": "~1.0.0",
     "load-grunt-tasks": "~0.1.0",
     "marked": "~0.2.8",
     "semver": "~2.1.0",
     "underscore.string": "~2.3.1",
-    "grunt-release": "~0.5.1"
+    "grunt-release": "~0.6.0"
   },
   "engines": {
     "node": ">=0.8.0",