Statusbar clock and date customizations

Credits to slim

Conflicts:
	res/values/mintkat_strings.xml
Bring back audio features & other stuff

- Added basic volume features
- added led control category
- added system_setting icons by Ruse Ciprian

Status bar brightness control

fix derp

Conflicts:
	res/xml/settings_headers.xml
	src/com/android/settings/DisplaySettings.java
devutils
Power menu config (2/2)
It looks better