Fix: support ESLint 4.4.0 (fixes #134) (#139)

Author: mysticatea

package.json

@@ -45,7 +45,7 @@
   },
   "dependencies": {
     "requireindex": "^1.1.0",
-    "vue-eslint-parser": "2.0.0-beta.5"
+    "vue-eslint-parser": "2.0.0-beta.6"
   },
   "devDependencies": {
     "@types/node": "^4.2.16",