GLProfile tells us more about itself

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29351 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Remove stupid thing

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29352 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Make a try all GLCanvas

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29353 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e