better math, fixes touchhandling and angle functions

Change-Id: I9bc6f653bda00069d3db3cc272473f173980e5e0
Tabs -> spaces
Quick settings on pie

Also basic methods to swap panels
Only add child if childcount is zero

Avoids adding quicksettings to notifications panel or visceversa
Remove unused variables and restore cancel trigger
Tabs -> spaces again
Toggles swapping :)
2 chevrons and complete notification readout ;-)

Change-Id: I6f1d30db081f23618c8b3dde2c0aa37bc0abaaed
chevrons, last state

Change-Id: I4a1aa7e17cf321c58fa92230fb01fb25ce957d10
animation control via settinhgs
should be OK for beta-release
Cleanup
Allow to select multiple locations for pies (1/2)
Play store quick fix
pie 2.0

Change-Id: I2bf0093751197953f1a0b39c76c4bad3846062be
forgot notification-size

Change-Id: Id2e0666751a285a0da719d2e4059d7247c37e1dd
black color derp

Change-Id: I715e17d445796ca4ed840820b7e268dd09ef867f