Added a function that plots the voronoi cells given a set of points. I got the code from scripts/mullermsm_voronoi.py but added the x1==-1 and x2==-1 cases from code commented out inlib/Voronoi.clip_line.. This now will plot all lines including those that end up at infinity
Merge pull request #1 from schwancr/master

added function to mullermsm.muller that plots the voronoi decomposition