OpenGL2: Match glsl data type names: matrix_t -> mat4_t, vec*i_t -> ivec*_t
OpenGL2: Match glsl data type names: matrix_t -> mat4_t, vec*i_t -> ivec*_t
Merge branch 'HEAD' of https://github.com/ioquake/ioq3.git
Fix bot FOV, it was complete non-sense

The field of view was somewhat of an M shape, making them blind to players
in front and a little to the side, yet able to see players far away to the side.
Merge remote-tracking branch 'ioquake3/master'

Conflicts:
	code/renderergl2/tr_shade.c
Merge remote-tracking branch 'spearmint/master'
Merge remote-tracking branch 'ebx/master'