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