Broken plotting of sites on mpl v=1.4
Some plot types are failing on matplotlib 1.4.x and 1.5.0. To reproduce, run tutorial 5 (plotting), and compare the output with http://kwant-project.org/doc/1/tutorial/tutorial6
Some plot types are failing on matplotlib 1.4.x and 1.5.0. To reproduce, run tutorial 5 (plotting), and compare the output with http://kwant-project.org/doc/1/tutorial/tutorial6