Status bar: double-tap to sleep

PS1:Add Double_Tab_to_Sleep_Gesture to Backup-System
Update the color of the expandable volume panel icon

This still retains the old settings icon since it happens to fit perfectly. Pressing it does indeed show you a bunch of sliders like the icon indicates.

Also add xhdpi and xxhdpi versions.
Double-tap to sleep: more options
 - pin and password: double tap the text entry view.
 - pattern: double tap anywhere on the pattern view.
 - add to slide lockscreen(glowpad): double tap glow pad to sleep

Conflicts:
	packages/Keyguard/src/com/android/keyguard/KeyguardSelectorView.java
Double-tap to sleep user-configurable settings

- Status bar
- Glowpad
- Pin and password
- Pattern

PS1: Add Double_Tab_Settings to Backupsystem
volume rocker wake
volume rocker music control

Conflicts:
	core/java/android/provider/Settings.java
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java