More debugs

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34245 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Show thumb from inside file in 3D when no WebGL is present

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34246 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
More debugs

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34247 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e