Fix commit 05ef0d1 - QLC+ crashes when saving dimmer fixture.
Fix intensity setting

- fix VC Button
- fix RGB matrix
Fixture definitions cleanup:
- C/M/Y channels set to Intensity group
- added heads to Proel dimmer
- removed unused channel from Futurelight MH-840
Fixed script, updated FixtureMap
Fix vcbutton test
FunctionSelection: fixed selection of "none" item
More updates to spanish translation
Video: completed video support integration on Qt5
Merge pull request #249 from tornel/translation

More updates to spanish translation
Updated UI translations
Monitor: added combo box to select which universe to monitor
RGBMatrix: added audio spectrum mode
Simple Desk: added channel groups tab
Fix crash when adding channels group to workspace with generic dimmer
(i.e. with fixture without mode)
Added fixtures: Stairville Quad Par Profile RGBW 5x8W, Stairville DDS 405 (thanks to Nicolas Rasor)
Merge branch 'master' of github.com:mcallegari/qlcplus
Merge remote-tracking branch 'upstream/master'

Conflicts:
	ui/src/qlcplus_fr_FR.ts
Update translations