Statusbar clock font style (1/2)

PS1: Initial
PS2: Int settings

Change-Id: Iafb811b9f819a100940fdeeaa2c657483c039950

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/src/com/android/systemui/statusbar/policy/Clock.java

Conflicts:
	core/java/android/provider/Settings.java
Clock Font: Adding more styles

Change-Id: I7ff863fba0c33409f6cad28df5bf3003db2aae0f