Revert "App sidebar [2/2]"

This reverts commit b4e0eb4e1b07485c45bee54a898a24bcb5123d32.

Conflicts:
	res/values/attrs.xml
	res/values/cm_arrays.xml
	res/values/cm_strings.xml
	res/xml/app_sidebar_settings.xml
	res/xml/system_ui_settings.xml
	src/com/android/settings/cyanogenmod/SeekBarPreference.java

Change-Id: I7c458f8b4d5de4a7ab60248443d3734b13629ee0
Settings: SlimPIE extended (2/2)
- This commit also remove CyanogenMod Pie codes
- All this implememtation is based on SlimRoms Pie, with small changes to fit our needs

Thanks a bunch to Lars Greiss (kufikugel)

Change-Id: Ibe4e651b8015d01454cd61e249d4fea1a68c5630