chore(frameworks): update cucumber and mocha dev dep versions

Author: juliemr

Diff for: package.json

@@ -30,11 +30,11 @@
   },
   "devDependencies": {
     "expect.js": "~0.2.0",
-    "chai": "~1.8.1",
-    "chai-as-promised": "~4.1.0",
+    "chai": "~3.3.0",
+    "chai-as-promised": "~5.1.0",
     "jshint": "2.5.0",
-    "mocha": "1.21.4",
-    "cucumber": "~0.4.9",
+    "mocha": "2.3.3",
+    "cucumber": "~0.6.0",
     "express": "~3.3.4",
     "rimraf": "~2.2.6"
   },