setup the BSP scene manager. Can't rotate the world geometry, so had to change the setup of the camera, which is more tricky.
load bsp and textures directly from the pk3
OSX fixes
split off the bsp loading to a new compiled target
use command line parms, scan for pk3, add them in order
create osx bundle to wrap around the compiled targets
OSX compile fix
misc
Merge branch 'bsp'
add msvc project files for the new target
windows binaries
misc
Merge branch 'master' of https://github.com/TTimo/es_core into develop