Notification Shortcuts…

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This feature adds shortcut icons to the bottom of the notification drawer.
Preview: http://goo.gl/hSHQM

Feature highlights:

- Select up to 16 different shortcuts
- Link to any application or activity
- Use the default application icon, pick from an image or pick from included stock icons
- Colorize application/image icons as well as stock

Change-Id: I9a2770c560c765453549b8f99598afbbb24e663a

Conflicts:
	core/java/android/provider/Settings.java
	core/java/com/android/internal/util/cm/ButtonsHelper.java
	packages/SystemUI/res/values/colors.xml
	packages/SystemUI/res/values/dimens.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarView.java
	packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkController.java

Conflicts:
	packages/SystemUI/res/values/colors.xml
	packages/SystemUI/res/values/dimens.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarView.java