Forward port CM Screen Security settings (Part 2 of 2)

Patch Set 1:	Quick Unlock
Patch Set 2:	Lockscreen Vibrate
Patch Set 3:	Slide Lock Delay
Patch Set 4:	Menu Unlock
Patch Set 5:    Rebase
Patch Set 6:    Home Unlock

Change-Id: Ie1ccaec43ca75474e92f96c60e15d7b75796ac5f

Conflicts:
	core/java/android/provider/Settings.java
	core/res/res/values/symbols.xml
	policy/src/com/android/internal/policy/impl/keyguard/KeyguardAbsKeyInputView.java
	policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewMediator.java

Conflicts:
	core/res/res/values/config.xml
Add CUSTOM_NOTIFICATION to ContactsContract to allow custom notification sounds to be assigned to individual contacts.

Change-Id: Iba40e5237200385a467ac9cdb441b1ed7de3a1da
fix build