Settings: Update German translation

Patch Set 1:    * add QuitHours title
                  http://review.cyanogenmod.org/#/c/31302/
                * add safe headset volume & waiver
                  http://review.cyanogenmod.org/#/c/31368/
                  http://review.cyanogenmod.org/#/c/31576/

Patch Set 2:    * add option to show status bar in expanded desktop
                  http://review.cyanogenmod.org/#/c/31382/
                * rename some strings
                * some layout cleanup

Patch Set 3:    * add backlight curve adjustment
                  http://review.cyanogenmod.org/#/c/30974/

Patch Set 4:    * remove unneeded strings
                * wording changes

Patch Set 5:    * some grammar correction

Patch Set 6:    * remove an changes according to
                  http://review.cyanogenmod.org/#/c/31894/
                  http://review.cyanogenmod.org/#/c/31897/

Patch Set 6:    * final corrections

SCREENSHOT: http://goo.gl/d5P9J

Change-Id: Ia9d416cd8c9612a09d810b9ee95b63c474f985de
Merge "Settings: Update German translation" into cm-10.1
Settings: Add Advanced reboot (1 of 2)

This commit adds a setting in Development settings for including options
in the power menu for rebooting into recovery or bootloader, defauled to
off.

When enabled, the Advanced reboot options will only be available once the
device is unlocked.

Change-Id: I72d6df55bf5df251802b321410670646d26c54b0
Merge branch 'cm-10.1' into CM10.1