Implemented babel transpiler for ES6

package.json

@@ -2,8 +2,9 @@
   "name": "Chat",
   "version": "1.0.0",
   "description": "Minecraft chat client",
-  "main": "app/server",
+  "main": "bin/start",
   "dependencies": {
+    "babel": "^5.1.13",
     "debug": "^2.1.3",
     "dotenv": "^1.1.0",
     "express": "^4.12.3",
@@ -20,7 +21,7 @@
   "devDependencies": {},
   "scripts": {
     "test": "grunt eslint",
-    "start": "node app/server"
+    "start": "node bin/start"
   },
   "repository": {
     "type": "git",