Integrated @chamberm's RT-fMRI code.

Thanks to @chamberm for all code.
Activated RGB coloring mode for surfaces.

Taken from commit 224ba2d6f9 by @chamberm in his RT-fMRI branch.
Fixed assert on Selection object creation for OSX and Linux.
Moved GPUQuerying to a later stage. Now detects the correct amount of MAX_texture
Removed useless include.
Merge pull request #2 from jchoude/rome_feature_integrate_rt_fmri

Integrate the RT fMRI feature in the feature branch