checkBlend() method added to check if blending is available and to set it.
checkBlend() method added to check if blending is available and to set it.

git-svn-id: fe6b3b33f0410f5f719dcd9e0c58b92353e7a5d3@6023 b7f4320f-462c-0410-a916-d9f35bb82d52

viktorbahr/jaer,SensorsINI/jaer,viktorbahr/jaer,viktorbahr/jaer,viktorbahr/jaer,viktorbahr/jaer,SensorsINI/jaer,SensorsINI/jaer,SensorsINI/jaer,SensorsINI/jaer,SensorsINI/jaer,viktorbahr/jaer,SensorsINI/jaer,SensorsINI/jaer,viktorbahr/jaer