Update README to reflect loss of scipy dependency
Update README to reflect loss of scipy dependency

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