use correct version in todomvc example (close #2414)

examples/todomvc/package.json

@@ -2,7 +2,7 @@
   "private": true,
   "dependencies": {
     "director": "^1.2.0",
-    "vue": "^0.12.8",
+    "vue": "^1.0.0",
     "todomvc-common": "^1.0.1",
     "todomvc-app-css": "^2.0.0"
   }