Fixing node version used for const in strict mode

(this is for travis error in github)

Author: zoraceslap

.travis.yml

@@ -1,5 +1,5 @@
 language: node_js
 node_js:
-   - "0.10"
+   - "6.4.0"
 before_install: npm install -g grunt-cli
 install: npm install

package.json

@@ -33,7 +33,7 @@
   "devDependencies": {
     "grunt": "^0.4.4",
     "grunt-bump": "0.0.13",
-    "grunt-docco": "^0.3.3",
+    "grunt-docco": "^0.5.0",
     "grunt-jasmine-node": "^0.2.1",
     "coffeescript": "^2.3.2",
     "grunt-jslint": "^1.1.8",