Settings: Enable location mode header switch

PS2:
-I dont like using _ in variable names

Change-Id: I63b3baa4f2fd9d6869fdd8068c7ac5efdd6c7535
[3/3] Settings: QuietHours: allow disable system sound

taken from slimroms

https://gerrit.slimroms.net/#/c/12180/

Allow to disable :
1. DialPad tone
2. touch sounds
3. screen lock sound
4. volume adjust sound
5. dock sound

in quiethour time

Change-Id: I43b7a054bc8b4cd49ddb9166e5676b329fc716f0
Merge pull request #6 from omnirom/android-4.4

Merge into kk4.4