PlottingGL: bind vertex attrib fix * fixes scatterplot matrix regression test
PlottingGL: bind vertex attrib fix
* fixes scatterplot matrix regression test

Sparkier/inviwo,Sparkier/inviwo,inviwo/inviwo,Sparkier/inviwo,Sparkier/inviwo,inviwo/inviwo,inviwo/inviwo,inviwo/inviwo,Sparkier/inviwo,inviwo/inviwo,inviwo/inviwo