Tests now run with default OpenGL config if nothing is specified on the command line.
Tests now run with default OpenGL config if nothing is specified on the command line.

svn path=/trunk/libavg/; revision=2443

yyd01245/libavg,hoodie/libavg,libavg/libavg,scotty007/libavg,th3infinity/libavg,yyd01245/libavg,libavg/libavg,th3infinity/libavg,libavg/libavg,scotty007/libavg,hoodie/libavg,th3infinity/libavg,libavg/libavg,hoodie/libavg,th3infinity/libavg,yyd01245/libavg,hoodie/libavg,scotty007/libavg,yyd01245/libavg,scotty007/libavg