Redirected admin URLs to view URLS for unauthenticated users

As said in the bug issue, *When unauthenticated users hit admin pages, they get a Google login screen. Instead, they should get rerouted to the view mode for that feature.*

BUG=#76

![image](https://cloud.githubusercontent.com/assets/634478/3614147/01225db4-0dbe-11e4-82f1-4f5ecbf865e6.png)