Update package.json for npm publish

Author: Matthew Rourke

package.json

@@ -25,16 +25,18 @@
     "README.md",
     "LICENSE-MIT"
   ],
-    "engines": {
+  "engines": {
     "node": ">= 0.8.0"
   },
   "scripts": {
     "test": "grunt test"
   },
   "devDependencies": {
-    "grunt-contrib-jshint": "^0.9.2",
+    "grunt": "~0.4.5",
     "grunt-contrib-clean": "^0.5.0",
-    "grunt": "~0.4.5"
+    "grunt-contrib-jshint": "^0.9.2",
+    "grunt-contrib-nodeunit": "^0.4.1",
+    "mocha": "^2.2.5"
   },
   "peerDependencies": {
     "grunt": "~0.4.5"