Added GLViewWidget.setBackgroundColor()
Added GLViewWidget.setBackgroundColor()

pmaunz/pyqtgraph,welshjf/pyqtgraph,stscieisenhamer/pyqtgraph,Lx37/pyqtgraph,ddamiani/pyqtgraph,duguxy/pyqtgraph,pbmanis/acq4,derricw/pyqtgraph,pbmanis/acq4,carlomt/dicom_tools,acq4/acq4,gvalentine/pyqtgraph,onlyjus/pyqtgraph,campagnola/acq4,jlombacher/pyqtgraph,gvalentine/pyqtgraph,meganbkratz/acq4,jlombacher/pyqtgraph,mgraupe/acq4,pbmanis/acq4,gvalentine/pyqtgraph,tropp/acq4,petebachant/pyqtgraph,JenSte/pyqtgraph,welshjf/pyqtgraph,petebachant/pyqtgraph,ericdill/pyqtgraph,campagnola/acq4,benvermaercke/pyqtgraph,mpvismer/pyqtgraph,meganbkratz/acq4,campagnola/acq4,nmearl/pyqtgraph,pbmanis/acq4,ericdill/pyqtgraph,Lx37/pyqtgraph,mgraupe/acq4,JenSte/pyqtgraph,acq4/acq4,duguxy/pyqtgraph,mpvismer/pyqtgraph,mgraupe/acq4,meganbkratz/acq4,acq4/acq4,tropp/acq4,mgraupe/acq4,acq4/acq4,stscieisenhamer/pyqtgraph,carlomt/dicom_tools,vallsv/pyqtgraph,onlyjus/pyqtgraph,mgraupe/acq4,tropp/acq4,nmearl/pyqtgraph,ericdill/pyqtgraph,pmaunz/pyqtgraph,onlyjus/pyqtgraph,welshjf/pyqtgraph,meganbkratz/acq4,campagnola/acq4,ddamiani/pyqtgraph,vallsv/pyqtgraph,tropp/acq4,benvermaercke/pyqtgraph,derricw/pyqtgraph,ng110/pyqtgraph,benvermaercke/pyqtgraph,ddamiani/pyqtgraph,ng110/pyqtgraph