Merge branch 'taskym-dev-taskym-xxx' into dev
 Fix: Better Matching (gamesorter) Add: Maximum Requests (Games) #1404
Add: XXX to reset_postprocessing.
Fix: Undefined variable in groupfixrelnames
missed one
Change groupfixreleasenames to use categoryid instead of group_id (faster)
Fix groupid placement for PAR2 in gfrn
Fix: Hard-coded 15 workers in update_threaded.py
More fixes to gfrn
Fix: last undefined in gfRn