doc update for 3D mouse interaction changes
doc update for 3D mouse interaction changes

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