Colour picker text input field: wrong content due to alpha channel.

The field was, effectively, showing AARRGG instead of RRGGBB due to
the alpha component being non-zero. This change fixes that in a
generic way which allows for alpha channel handling even though I see
no use for the alpha channel for the notification light.
Option to use volume keys to control media volume anytime
Merge remote-tracking branch 'rascarlo/jb-ras-mr1.1' into jb-mr1.1