Update vue.

package.json

@@ -21,10 +21,10 @@
     "sanitize-html": "^1.13.0",
     "sass-loader": "^4.0.2",
     "tributejs": "^2.1.0",
-    "vue": "^2.0.1",
-    "vue-router": "^2.0.1",
+    "vue": "^2.1.0",
+    "vue-router": "^2.2.0",
     "vue-timeago": "^3.1.2",
-    "vuex": "^2.0.0",
+    "vuex": "^2.1.0",
     "vuex-persistedstate": "^1.1.0"
   },
   "devDependencies": {