Relese v2.3.1

[vanous]

2.3.1

• Added translation using Weblate (Ukrainian) [Ahha]
• Add option to remove a Universe, use Blender style UI for universe adding/removing
• Fix Focus Point on Blender created data, fix UUID assignment, for correct MVR export
• Set SO_REUSEPORT on the Art-Net socket so a console on the same machine can share port 6454
• Initial support for Sinette protocol - a very simple plain data receiver added
• Use non-fixture GDTF data during import from MVR
• Fix emitter dimmer while strobing, cap strobe to fps/2 thanks to @EricNakamura in Fix strobe and shutter strange behavior #363