Fixed issues with python3 and matplotlib#14

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milkschen wants to merge 2 commits intomedvedevgroup:masterfrom

milkschen:changes

Commits on Mar 26, 2020

fixed issues with python3 and latest version of matplotlib; this works for me with Python 3.6.10 and matplotlib 3.0.3
milkschen
committed
uses flexible ylim (lower part); added --label feature so that the labels of figs and html tables can be specified by user
milkschen
committed