Re-implemented app sidebar [1/2]

Change-Id: I296059a3cc688a567e7e90cccfdf4b8e824cfedf

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/AndroidManifest.xml
	packages/SystemUI/res/drawable/trigger_region.xml
	packages/SystemUI/res/values/pac_colors.xml
	packages/SystemUI/res/values/pac_config.xml
	packages/SystemUI/res/values/pac_dimens.xml
	packages/SystemUI/res/values/pac_strings.xml
	packages/SystemUI/res/values/pac_styles.xml
	packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java