VCMatrix: implemented external input/key bindings of custom controls
VCMatrix: sort controls by ID to keep their creation order
Improved Qt5 OSX bundle

Multimedia still not working though :(
OSX: Fixed Qt5 audio playback !

The workaround is ridiculous and has no explanation at all
VideoEditor: fixed empty video information
New fixture: Eurolite LED SLS-180 RGB (thanks to Peter)

New fixture: Futurelight PHW-260 (thanks to Alessandro Grechi)
Refactoring: move QLCInputChannel::Type to icon conversion