HTC M7/DeviceSettings: CS translation

- added Czech
- added XML header and copyright
- rebased and added missing

Change-Id: Ibd620b8f0171833cc15e3df27f68f457fb8f00bf
Merge "HTC M7/DeviceSettings: CS translation" into cm-10.1
m7-common: enable low latency audio

Change-Id: Ibd91e286d8b05d3aba65f2e8edebeb291297a9e4
m7-common: set amplifier configs based on audio mode

Depends on: http://review.cyanogenmod.org/#/c/38256/

Change-Id: Icadd71698144c120dbb26282da4e138a4d8a07d1