jflte: Cleanup settings overlay

 * Power control widget is default, so no need to set it here
 * Home wake should be in config.xml, not bools.xml

Change-Id: I21c37c3fef7751ac2588a6542271ddcfd848310a
Add missing Permissions for Step Sensor

Credits by hamidoo from XDA: http://goo.gl/6VbwWz

Change-Id: I840cf442105c989ad99191a7e414a31240a527c1