Merge branch 'arrow--testing-visualizer' into development

Builds/VisualStudio2013/Plugins/Plugins.sln

...BasicSpikeDisplay/SpikeDisplayNode/SpikeDisplayEditor.cpp

...s/BasicSpikeDisplay/SpikeDisplayNode/SpikeDisplayEditor.h

Source/Plugins/LfpDisplayNode/LfpDisplayEditor.cpp

Source/Plugins/LfpDisplayNode/LfpDisplayEditor.h

Source/Plugins/LfpDisplayNodeBeta/LfpDisplayEditor.cpp

Source/Plugins/LfpDisplayNodeBeta/LfpDisplayEditor.h

...ins/LfpTriggeredAverageNode/LfpTriggeredAverageEditor.cpp

...ugins/LfpTriggeredAverageNode/LfpTriggeredAverageEditor.h

Source/Plugins/PCIeRhythm/RHD2000Editor.cpp

Source/Plugins/SpikeSorter/SpikeSorterEditor.cpp

Source/Processors/DataThreads/RhythmNode/RHD2000Editor.cpp

Source/Processors/Editors/VisualizerEditor.cpp

Source/Processors/Editors/VisualizerEditor.h

Source/Processors/PSTH/PeriStimulusTimeHistogramEditor.cpp