feat(babel): use vue-app babel preset

Author: Edward Yerburgh

lib/compilers/babel-compiler.js

@@ -4,8 +4,7 @@ const logger = require('../logger')
 const cache = require('../cache')
 
 var defaultBabelOptions = {
-  presets: ['env'],
-  plugins: ['transform-runtime']
+  presets: ['vue-app']
 }
 
 function getBabelConfig () {

package.json

@@ -49,8 +49,7 @@
   },
   "dependencies": {
     "babel-core": "^6.25.0",
-    "babel-plugin-transform-runtime": "^6.23.0",
-    "babel-preset-env": "^1.6.0",
+    "babel-preset-vue-app": "^1.3.1",
     "chalk": "^2.1.0",
     "convert-source-map": "^1.5.0",
     "find-babel-config": "^1.1.0",