Port forward: Clock styles, carrier text, notif count

SystemUI: Clock mode. Center, Right, Hidden. AM/PM and Weekday
options.
-- syaoran12 (aka adamthecashew)

SystemUI: Notification counter
-- Stevespear426

SystemUI: Clock fix for 24 hour format
-- KhasMek

Custom Carrier Label
-- netboy3

Change-Id: Ie24eeb33b4b546586019c5f468e1a489c15bba5f

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

Fixup derp

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/res/drawable-hdpi/ic_notification_overlay.9.png
	packages/SystemUI/res/drawable-mdpi/ic_notification_overlay.9.png
	packages/SystemUI/res/drawable-xhdpi/ic_notification_overlay.9.png
	packages/SystemUI/res/layout/status_bar.xml
	packages/SystemUI/src/com/android/systemui/statusbar/StatusBarIconView.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
	packages/SystemUI/src/com/android/systemui/statusbar/policy/Clock.java