Added Actuator_GLSL, although it is just a draft for now
Some more progress with Actuator_GLSL
Going forward...
Actuator_GLSL works!
GLSL: can now specify source files, as well as a few uniforms
Added check of libglm presence
Merge branch 'glsl' into develop
Merge branch 'develop' of code.sat.qc.ca:blobserver into develop