Cleaning up the OutStreamPlot code to be more readable and also adding a few features for making a more bare bones plot for testing.
Cleaning up the OutStreamPlot code to be more readable and also adding a few features for making a more bare bones plot for testing.

idaholab/raven,idaholab/raven,joshua-cogliati-inl/raven,idaholab/raven,idaholab/raven,joshua-cogliati-inl/raven,joshua-cogliati-inl/raven,joshua-cogliati-inl/raven,idaholab/raven,idaholab/raven,joshua-cogliati-inl/raven,joshua-cogliati-inl/raven,joshua-cogliati-inl/raven,idaholab/raven