This is kitkat not Gingerbread

- Changed gesture trail in gesture lockscreen from green to white

Change-Id: I43f7640c1f63a0d95939721f77eb3f629633c8a4
Prevent NPE in TextView.checkForRelayout

Change-Id: I2b82880080517737f12fba6c582f3b834744b028

Conflicts:
	core/java/android/widget/TextView.java

Conflicts:
	core/java/android/widget/TextView.java
Tiles: port compass tile from CM (1/2)

Add a compass tile to quick settings.
Clicking on it enables the sensor and clicking again disables it.

Change-Id: Icd9d12929f0491f6958f30de139ef39bb4c2e037

Conflicts:
	core/java/com/android/internal/util/slim/QSConstants.java
	packages/SystemUI/res/values/bs_arrays.xml
	packages/SystemUI/res/values/slim_strings.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettingsController.java