[MP] CGame: Remove unused particle code from q3/wolf codebase.
If someone really wants it, they can add the cg_particles.c file from ioq3, its the same thing.
[MP] Move renderer decals code to its own file.
[MP] Remove trap_Print/trap_Error prototypes, they should not be used outside of the syscall file.
Remove q3print enums from cg_local.h
[SP] Fix png reading with extra chunks that do not get handled by the game anyway.
ex: "iCCP: known incorrect sRGB profile"
[MP] Fix png reading with extra chunks that do not get handled by the game anyway.
ex: "iCCP: known incorrect sRGB profile"
[MP] Rend2: Fix invalid references to pshadow bits.
Merge branch 'master' into rend2