refresh ui to Holo, removing actionbar

use default holo background for gradient
Fix Google Setup Wizard jank

* Remove Google Setup wizard page upon completion
to match behavior
Offer to use WiFi to sign into Google Services

Google setup wizard prompts for WiFi only if a data connection is not
available, and this is not the desired behavior. So let's prompt the
user whether they wish to connect to a WiFi network after selecting
their language. But we do this only once during the setup process.
add Play Services version