chore: release v1.0.4

Author: cklwblove

package.json

@@ -19,7 +19,7 @@
     "auto-refresh",
     "web-app-update"
   ],
-  "version": "1.0.3",
+  "version": "1.0.4",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/winjs-dev/winjs-plugin-web-update-notification.git"