Add files for RHD2000Editor class

Builds/Linux/Makefile

Builds/MacOSX/open-ephys.xcodeproj/project.pbxproj

Builds/VisualStudio2010/open-ephys.vcxproj

Builds/VisualStudio2010/open-ephys.vcxproj.filters

Builds/VisualStudio2012/open-ephys.vcxproj

Builds/VisualStudio2012/open-ephys.vcxproj.filters

Source/Processors/Editors/RHD2000Editor.cpp

Source/Processors/Editors/RHD2000Editor.h

Source/Processors/Editors/SourceNodeEditor.h

Source/Processors/Editors/VisualizerEditor.cpp

Source/Processors/SourceNode.cpp

Source/Processors/Visualization/SpikeDisplayCanvas.h

Source/UI/CustomLookAndFeel.cpp

open-ephys.jucer