Volvo FH 2013 [ohaha] 21.08s

v21.08s is up!
- fixed non working wipers in RHD interior
- tweaked some minor stuff

Warning (for whoever might be interested)
- the glass definitions are now split into two files (the UK one got a _uk suffix) because the bones controlling the wipers' function have different names.
- the truckpaint material is now in /automat/06/ folder (no idea why it got generated with a new name).
All issues should be reported here, of course, and I will try my best to deal with them.