restoring linting in package json - removed in my local version and removing ref to node engine

Author: Shaun Hare

package.json

@@ -3,9 +3,6 @@
   "description": "Hack24 Application",
   "version": "1.0.1",
   "private": true,
-  "engines":{
-	"node":"6.9.5"
-	},
   "main": "./bin/server.js",
   "scripts": {
     "clean": "rimraf build",