Add Quiet hours function and QS tile, (2/3):

Thanks to CM and SlimRoms:
https://github.com/SlimRoms/packages_apps_Settings/commit/afe86b034871520e8e3ba9ce41529bee6601a384
https://github.com/SlimRoms/packages_apps_Settings/commit/4edfc89d6178180a72796c4af2d155c5da1abb13
https://github.com/SlimRoms/packages_apps_Settings/commit/466ab5295f07946cff3c5f7acbdf4824012fab4f
https://github.com/SlimRoms/packages_apps_Settings/commit/155f928d32b15eeb9dd2c16019578dcb4dda8b4e
https://github.com/SlimRoms/packages_apps_Settings/commit/b794557dc6c27269a9b2189a32726fe3ad231c01