Largely implement QcepPlotMover
Largely implement QcepPlotMover
Rename QcepImagePlotPicker etc to QcepPlotPicker
Rename QcepImagePlotPicker etc to QcepPlotPicker
Starting work on new plot pickers
Starting work on new plot pickers
Remove parent argument in QcepProcessorStep and related constructors
Remove parent argument in QcepProcessorStep and related constructors