Real policy for PieMenu

No moar stubs, this is for real! :)
Full year
Handle battery left percent with colors
better navigation, better shade trigger

Change-Id: I8c8b5d79fb95996c363d52b8b96413832929b3fc
A couple of fixes

* Fix derp causing pie to be always visible without setting influence
* Gravity changes are now instant
* AM / PM is set into its right place, remove listeners from clock class
* Wifi always uppercase