Plot extrinsic fluorescent proteins as squares
Plot extrinsic fluorescent proteins as squares

Also much modularization of plotting code to make changing marker from
circle to square simpler.

FPvisualization/fpvisualization.github.io,FPvisualization/fpvisualization.github.io,FPvisualization/fpvisualization.github.io,abhiaggarwal1/testing,abhiaggarwal1/testing,abhiaggarwal1/testing