Nexus 7: Will not load Google Authentication

[knames]

This is probably minor and only because it happens to be my nexus 7, but it doesn't want to go through with the sign in from within the app.

[joshheinrichs]

This is true for all phones. I think this was mentioned in a previous issue, but I can't find it right now. We need to implement Android's Google login, and then pass the login code to the website, since pop-ups can't appear within the App's webview.