Speed Dial: stop blinking on dial or spins change

Speed Dial: stop counting the time after 30 seconds from the last tap
Simple Desk: restyled the playback sliders like the rest of QLC+
Updated catalan translation
Speed Dial: fixed multiple blinking of the tap button

Updated Novation Launchpad input profile with correct labeling
Plugins/DMXUSB: Fixed DMX4ALL Stageprofi MK2 freezing on Windows and malfunctioning
Plugins/DMXUSB: further StageProfi improvement to avoid open failure and no-reply errors
Fixed VCCueList test unit
Merge branch 'master' of https://github.com/mcallegari/qlcplus.git
Fixture editor:
- remove ",,," from default unix name
- store edited author
- allow editing author (temporarily, until the definitions contain proper names)
Merge pull request #356 from sbenejam/master

Updated catalan translation
Input Profiles: improved Akai APC Mini labels
Bump to version 4.8.1 GIT
Changed input not accepting zero as value

Removed check for zero when receiving DMX values.
Merge pull request #360 from Babbsdrebbler/patch-1

Changed input not accepting zero as value
Show Manager: fixed audio and video playback