Settings: Move home answer & power end call options

Move 'Home answers call' & 'Power ends call' options to button settings

Change-Id: I2f365a3d278b0845b7c5ffcfe70c54160a00c24e

Conflicts:
	res/xml/button_settings.xml
	src/com/android/settings/cyanogenmod/ButtonSettings.java
Settings: give boot_completed receiver higher priority

We need it to start up as quickly as possible.

Change-Id: Iaa99b6519c46b3bd0b85adcd59bbfb76b4983b64
Signed-off-by: Roman Birg <roman@cyngn.com>

Conflicts:
	AndroidManifest.xml