Pie: Add option to change pie's angle from the attach 2/2
Pie: let Chevron adapt itself from pie's angle.
>
> This make Chevron able to recreate the battery bar when the angle changes.
Pie: set angle default to 12° (1/2)
Pie: Fix and easy recalculation for Chevron and Pie
Pie: updates (2/2)
-pie angle: fixes, cleaning and new value (Huge)
-pie size defaults
-strings updates
Pie: set Big as default for item gap (2/2)

Screen: http://goo.gl/aocZ7

Conflicts:

	core/java/android/provider/Settings.java

Signed-off-by: igio90 <giovanni.rocca.90@gmail.com>