Move node dev deps forward, add .jshintrc to support latest grunt-contrib-jshint and Code Climate score

grunt/config/jshint.js

@@ -5,13 +5,7 @@ module.exports = {
     'lib/jasmine-core/jasmine.js'
   ],
   options: {
-    /* While it's possible that we could be considering unwanted prototype methods, mostly
-     * we're doing this because the objects are being used as maps.
-     */
-    forin: false,
-
-    /* We're fine with functions defined inside loops (setTimeout functions, etc) */
-    loopfunc: true
+    jshintrc: '.jshintrc'
   },
   all: ['src/**/*.js']
 };