fixes for log-scale y axis
rm ForceStyle and use actual style and not its name in preserve_current_style
minor changes to the ATLAS style
add Line and use post_init
respect gStyle line widths and marker sizes, and scale line width in conversion to matplotlib
don't include canvas window manager decorations in canvas size by default
fix mpl example
fix for setting canvas size in batch mode
FIX fill_between
add step function to root2matplotlib
clean root2matplotlib
root2matplotlib: improve automatic plot range setting
fix mpl graph example
root2matplotlib: add 2d support and create example plot_matplotlib_hist2d.py
temporary fix to pass build until refactoring Plottable and THStack
log_scale -> logy
draw stacked histograms using fill_between
root2matplotlib.step respect line color
factor out getting limits of histograms for plotting into plotting.utils.get_limits
support for histstack in plotting.utils.get_limits