fix FastLZ mipmap corruption issue
fix Polymer MSVC warnings
rewrote qsprintf to take up to 32 parameters, either quotes or gamevars
added qstrncat to concatenate n characters of one quote to another
exposed internal sectorofwall() function to CON
changed CON parser to count ( ) ; and , as whitespace so people can make their code more readable
added ACTIVATOR and ACTIVATORLOCKED support to SE49 and SE50
added SPRITE_USEACTIVATOR flag to allow actor execution based on whether a sector is "locked" or not
rearranged a few structures for faster array lookups
fixed EVENT_HOLSTER
git-svn-id: https://svn.eduke32.com/eduke32@1457 1a8010ca-5511-0410-912e-c29ae57300e0