[2/2] Settings: make QS Tiles and layout button optional
LSN: clean up settings

use SystemSettingCheckBoxPreference were possible
Development Settings: lets not hide chamber of secrets

just looks weird
Revert "Settings: Integrate Voice+ into Settings (1/2)"
[2/2] Settings: implement App circle sidebar

-Support for Configurable Trigger Region[2/2] thanks to @zeetherocker
Settings: various clean ups

-remove SwitchPreference's from sub settings
-remove some summaries were they are not needed
-move navbar dimension settings to main navbar settings
-use values as summaries