Modified Quicksettings to act just like Power Widget. Fixed Power Widget Sleep toggle with the help of Danesh M and David van Tonder

The code for QuickSettings has been rewritten using quicksettings.QuickSettings and QuickSettingsController classes.

Conflicts:
	packages/SystemUI/res/values/strings.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
	packages/SystemUI/src/com/android/systemui/statusbar/powerwidget/LockScreenButton.java
	packages/SystemUI/src/com/android/systemui/statusbar/powerwidget/SleepButton.java

Change-Id: I2bf0f9c6b749228b4a56ef33b8ae58d5b4843c58
Framework: Quick Settings customization (Part 2 of 2) WIP!

This commit will alow loading the Quick Settings tiles layout from
a layout that is configured in Settings.

Conflicts:
	core/java/android/provider/Settings.java

Change-Id: Id04eade624469154054a406d558774392e813aae