Fix display turned off on auto dim timer:

Some devices, like Motorola and Nexus, have their screen turned off is brightness is set to 0
  - add option to define min brightness value at compile time
  - by default, min brightness value is now 10 instead of 0
v6.58.0 / libtouch_gui v1.42
Merge branch 'cm-11.0' of https://github.com/PhilZ-cwm6/philz_touch_cwm6 into cm-11.0