produce_vertex_data...: Cosmetic changes.
produce_vertex_mc_plots: Added plots for angle between generated and reconstructed direction.
produce_vertex_mc_plots: Bugfix for phi and theta distributions: Only fill MC histogram when there is a
reconstructed vertex.
produce_vertex_mc_plots: Bugfix for conversion statistics histograms.
produce_vertex_mc_plots: Fix axis ranges in some cases.
produce_vertex_mc_plots: Fix canvas name for energy resolution.