Disabled the OpenGL version check for now
Disabled the OpenGL version check for now

It seems to return 2.1 on a number of Mac OS X systems, need to
investigate further as we need a reliable upfront check for minimum
OpenGL version.

OpenChemistry/tomviz,cjh1/tomviz,OpenChemistry/tomviz,thewtex/tomviz,cryos/tomviz,cryos/tomviz,cryos/tomviz,cjh1/tomviz,OpenChemistry/tomviz,mathturtle/tomviz,thewtex/tomviz,mathturtle/tomviz,OpenChemistry/tomviz,mathturtle/tomviz,cjh1/tomviz,thewtex/tomviz