Updated SpikeDisplayCanvas to respond to changes in SpikeDetector parameters

Source/Processors/Editors/GenericEditor.cpp

Source/Processors/Editors/GenericEditor.h

Source/Processors/Editors/SpikeDetectorEditor.cpp

Source/Processors/Editors/SpikeDisplayEditor.cpp

Source/Processors/Editors/SpikeDisplayEditor.h

Source/Processors/RecordNode.cpp

Source/Processors/SpikeDisplayNode.cpp

Source/Processors/Visualization/SpikeDisplayCanvas.cpp

Source/Processors/Visualization/SpikeDisplayCanvas.h

...ce/Processors/Visualization/SpikePlotting/BaseUIElement.h

...ce/Processors/Visualization/SpikePlotting/ElectrodePlot.h

...ce/Processors/Visualization/SpikePlotting/TetrodePlot.cpp

Source/Processors/Visualization/SpikePlotting/TetrodePlot.h