Frameworks: Lockscreen Colors and Lock Image [1/2]

PS2: Separate all color elements
	into separate prefs.
	Also colorize bouncer frame
	for secure lockscreens.
PS3: Whitespace

PS?: Add Lock Icon Picker =]
PS?: Add "Colorize Custom Icon" option.

Change-Id: I542dfa01bb1d3d0e401bbf8a5f58b32f08cbfc62

Conflicts:
	core/java/com/android/internal/widget/multiwaveview/GlowPadView.java
	packages/Keyguard/src/com/android/keyguard/KeyguardSelectorView.java

Conflicts:
	core/java/android/provider/Settings.java
	core/java/com/android/internal/widget/multiwaveview/GlowPadView.java
	packages/Keyguard/src/com/android/keyguard/KeyguardSelectorView.java
Toggle Last App: move toggle last app method to a separate class

Thanks@cristianomatos
Navring last app toggle (1/2)

Change-Id: I5f744732f39cd33c0ec7dcae23da0295f945c9a1

Conflicts:
	core/java/com/android/internal/util/rascarlo/NavigationRingConstants.java
	core/java/com/android/internal/util/rascarlo/NavigationRingHelpers.java
	core/res/res/values/cr_symbols.xml
	packages/SystemUI/src/com/android/systemui/rascarlo/ActionTarget.java