add simple emulator script for hostlua, thx to rudi, msl, fbonomi
hostlua emulator - fix extension case for require
hostlua emulator - updates from waterwingz in http://chdk.setepontos.com/index.php?topic=650.1095
AF assist propcase, from waterwingz in http://chdk.setepontos.com/index.php?topic=650.msg99568#msg99568
make lua module loading closer to stock lua, now uses package.path etc
hostlua emulator - split camera_funcs into it's own file, implement -conf option, move props into camera_state, don't use real package.loaded inside emulated environment