Quicksettings: add Music tile

  original base taken from SlimRoms
  stripped down and simplified, rewritten to work with our quicksettings

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettingsController.java
Add screenshot to power menu

* Also move our strings and symbols to *_custom.xml

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>

Conflicts:
	core/res/res/values/symbols.xml
Secure Screenshot

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>
RebootTile: allow qs panel to collapse before reboot

  move onClick activity to runnable method and allow a post delayed trigger to be set so that the qs panel fully collapse's and the reboot message is shown
PWM: Open powermenu on power button press

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>
Power Menu: enable the silent mode toggle

Conflicts:
	policy/src/com/android/internal/policy/impl/GlobalActions.java