Add pyqt5 support for MatplotlibWidget
Add pyqt5 support for MatplotlibWidget

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