OS X changes

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

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

Source/Processors/DataThreads/FileReaderThread.cpp

Source/Processors/Editors/ChannelSelector.cpp

Source/Processors/Editors/ChannelSelector.h

Source/Processors/Editors/EventNodeEditor.cpp

Source/Processors/Editors/FilterEditor.cpp

Source/Processors/Editors/ParameterEditor.cpp

Source/Processors/Editors/SignalGeneratorEditor.cpp

Source/Processors/EventNode.cpp

Source/Processors/FilterNode.cpp

Source/Processors/GenericProcessor.cpp

Source/Processors/Parameter.cpp

Source/Processors/SignalGenerator.cpp

Source/Processors/Visualization/LfpDisplayCanvas.cpp

Source/Processors/Visualization/OpenGLCanvas.h

Source/Processors/Visualization/SpikeDisplayCanvas.cpp

...Processors/Visualization/SpikePlotting/ProjectionAxes.cpp

Source/Processors/Visualization/SpikePlotting/WaveAxes.cpp

Source/Processors/WiFiOutput.cpp