Settings: Add support for Lock clock (part 1 of 3)

Change-Id: I13556ce58902e4c6151872c0f0aebe2152677de4

Conflicts:

	res/values/strings.xml
	src/com/android/settings/cyanogenmod/SystemSettings.java
Settings: Introducing 'Chronus'

Change-Id: Iae59aa31106178bccf170ba693ee888025a4ef0f

Conflicts:

	res/values/strings.xml
Lock Clock: Refactor to Chronus (2 of 4)

Change-Id: I01f2975889620dce1f397964731d083a2e6034a1

Conflicts:

	src/com/android/settings/cyanogenmod/SystemSettings.java
fix build