QS tiles background mod.[1/2]

Option to set the color of QS background
and the color when pressed.
ported to vanir 4.4
Change-Id: I8b3b5b1b7efd5ee79608ae7aaddf4d81ef770acd

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettingsTileView.java

Change-Id: I916740121a12e49faa2b57072ef349fa671c36b1
Merge "QS tiles background mod.[1/2]" into kk44