Darkplaces rev. 11929->11949

divverent: order postprocess code properly (so blur does not cancel
bloom)
divverent: fix a floating around mutexattr object
divverent: fix a possible pthread crash
havoc: VM_CL_findradius now uses World_EntitiesInBox as it should
divverent: fix endless loop with gcc 4.8
eihrul: OPENGL_ORIENTATION -> MATRIX4x4_OPENGLORIENTATION
havoc: set vid_stereobuffer cvar based on whether GL_STEREO is true
after setting the mode
havoc: fix a severe texture corruption and crash case when using vid_dx9
1 is used with vid_sRGB 1
work around a crash when using vid_dx9 1 with vid_stereobuffer 1 (this
needs a better fix, D3D9 does not support this)
fix a warning in C++ where a bit flag mask was being passed as a bool
havoc: add prvm_uint_t type
havoc: optimized vm by using cached local variables instead of accessing
prog-> fields all the time
havoc: added prvm_uint_t for bounds check tests in the vm
havoc: use unsigned comparisons for most of the boundschecks in the vm
havoc: ipv6 dpmaster.sudo.rm-f.org has moved
havoc: clarify a comment
havoc: when using engine particles (not effectinfo), prevent spawning
particles
for EFFECT_EF_FLAME and EFFECT_EF_STARDUST when paused
havoc: fix two very ambiguous for loops that calculate camerawidth and
cameraheight
havoc: use int not qboolean for glshaderversion
eihrul: move extension enables to the top of the shader to comply with
spec
eihrul: enable UBO extension for skeletal