smoothing groups cleanup
fix premul blend mode
allow reuse/coop links within a model
offsetyaw cleanups
remove some more yaw+90 kluges
calclight vertical blendmap fix
mapmodel pitch and scale
change model pitch axis to +X instead of old weird -Y behavior that differed from the camera
model roll
mapmodel stdedit fixes
misc cleanups
mapmodel preloading fix
misc fixes
more fixes
loopfiles fix
more loopfiles fixes
rsm shader fix
update copyright
typo fix
experimental crouching and remove forward/jumping speed bonus