All kind of derp
Revert "Use previous commit for reboot and shutdown dialogs"

This reverts commit 67ce030b6bc2e861241ceea9a9f0da1dbbf4c84d.
All kind of derp 2
add Settings.System boolean helper methods

Change-Id: I749d15a7c6956d938698f16ebde185b114f7f15a
Signed-off-by: Roman Birg <romanbirg@gmail.com>