Hey, why we need this?

Change-Id: I5f96089a618adc415e14d6c6b22583c6e6300801
Signed-off-by: Kevin Liu <airk908@gmail.com>
Forward port CM Screen Security settings (1/2)

* Lockscreen Vibrate
* Slide Lock Delay
* Menu Unlock
* Toggle dots/error pattern visibility

Forward port from cm-10.2, adjusted for 4.4

Change-Id: Ie1ccaec43ca75474e92f96c60e15d7b75796ac5f

Conflicts:
	core/java/android/provider/Settings.java
	core/java/com/android/internal/widget/LockPatternUtils.java
	core/java/com/android/internal/widget/LockPatternView.java
	packages/Keyguard/src/com/android/keyguard/KeyguardPatternView.java
	packages/Keyguard/src/com/android/keyguard/KeyguardViewMediator.java
	services/java/com/android/server/LockSettingsService.java