modified the SpikeDisplayEditor and SpikeDisplayCanvas objects to make use of the new setParameter(int,int,int,float) method defined in the Visualizer class. Additionally the SpikeDisplayEditor now responds to Pan/Zoom and clear commands. However Pan/Zoom only work on the first plot. Additionally on the "all" button for the  sub-channel selector buttons now responds intelligently. ie. if you enable all it turns on, if you disable one it turns off.