Replaced QGL with GLEW.
Merge branch 'master' into glew
Merge branch 'master' into glew
Merge branch 'master' into glew and fixed a crash on Intel HD drivers
Merge branch 'master' into glew and fixed a crash on Intel HD drivers
Merge branch 'master' into glew

Conflicts:
	neo/renderer/OpenGL/glext.h
	neo/renderer/RenderSystem_init.cpp
Compile fix
Merge branch 'master' into glew
Merge branch 'master' into glew
Merge branch 'master' into glew

Conflicts:
	neo/renderer/OpenGL/glext.h
	neo/renderer/OpenGL/qgl.h
	neo/renderer/OpenGL/wglext.h
	neo/renderer/RenderProgs.cpp
	neo/renderer/RenderProgs_GLSL.cpp
	neo/renderer/RenderSystem_init.cpp
	neo/renderer/tr_backend_draw.cpp
	neo/sys/win32/win_qgl.cpp
Disabled FFmpeg by default because there are some serious issues with ffmpeg on Ubuntu 14.04 which cause a black screen after the intro video #92
Fixed FFmpeg video timings and crashes. Also fixes the black screen problem with Ubuntu 14.04 #92
Fix length error in prefix comparison
Macros for format references to size_t
Replaced sizeof format references with macro
Merge pull request #93 from dekadenZ/fix-renderer-string-cmp

Fix length error in prefix comparison
Move format specifier macros to idlib/sys/sys_defines.h
Merge pull request #94 from dekadenZ/size-format-macros

Attempt at removing the kludge concerning non-standard printf format references
GLEW fixes
Merge branch 'master' into glew