OS X updates

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

...cuserdata/Josh.xcuserdatad/UserInterfaceState.xcuserstate

Source/Processors/Editors/SpikeDisplayEditor.cpp

Source/Processors/LfpDisplayNode.cpp

Source/Processors/Visualization/SpikeDisplayCanvas.cpp

Source/Processors/Visualization/SpikeObject.cpp

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

.../Processors/Visualization/SpikePlotting/ElectrodePlot.cpp

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

Source/Processors/Visualization/SpikePlotting/GenericAxes.h

Source/Processors/Visualization/SpikePlotting/PlotUtils.cpp

...e/Processors/Visualization/SpikePlotting/ProjectionAxes.h

...rocessors/Visualization/SpikePlotting/StereotrodePlot.cpp

.../Processors/Visualization/SpikePlotting/StereotrodePlot.h

Source/Processors/Visualization/SpikePlotting/TetrodePlot.h

Source/Processors/Visualization/SpikePlotting/WaveAxes.h

Source/UI/ControlPanel.h

Source/UI/DataViewport.cpp