Add some missing end-of-file newlines.

Source/Processors/ArduinoOutput.cpp

Source/Processors/Channel.cpp

Source/Processors/Editors/ChannelSelector.cpp

Source/Processors/Editors/ParameterEditor.cpp

Source/Processors/Editors/SpikeDetectorEditor.cpp

Source/Processors/FPGAOutput.cpp

Source/Processors/PhaseDetector.cpp

Source/Processors/Visualization/LfpDisplayCanvas.cpp

Source/Processors/Visualization/OpenGLCanvas.cpp

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

Source/Processors/Visualization/SpikePlotting/WaveAxes.cpp

Source/UI/SignalChainManager.cpp