misc...
* fix scaling for doom3 brush format
* Pointfile function: try to also load .pts leak line file (q1), if .lin isn't found
* snap transform origin for flip commands
* change light intensity save format from %f to %g to prevent .99999 on transforms
* support 'stupid quake bug' (invert pitch in angles)(generic and miscmodel ents)(cfg: entities="quake" in .game)
* clipper: place 1st and 2nd points far, 3rd near to ease 3 points clipping