bump vue-template-compiler dep

Author: yyx990803

package.json

@@ -39,7 +39,7 @@
     "postcss-selector-parser": "^1.1.2",
     "vue-hot-reload-api": "^2.0.0",
     "vue-style-loader": "^1.0.0",
-    "vue-template-compiler": "^2.0.0-alpha.1"
+    "vue-template-compiler": "^2.0.0-alpha.2"
   },
   "devDependencies": {
     "babel-core": "^6.8.0",