Pie angle: variables' fixes
new variables were wrongly added (yes it was me). now calculations for chevron and pie are fixed and synced with all settings.
This avoid a conflict in PieMenu.java with bb merging
Quick Settings: Swipe to switch

-Adds the ability to switch to/from Quick Settings, using a sideways
swipe gesture.

Signed-off-by: ThiagoVinicius  <thiagovfar@gmail.com>

-Fixed (hidden) Halo icon that appears at flip to settings animation beginning.