Miscellaneous plotting stuff

[IzaakWN]

Miscellaneous plotting stuff that came up.

• General cleaning, documenting & debugging.
• Improving frame drawing & default drawing options.
• Improving support for TGraph in Plot & python/plot/utils.py:
  • geterrorband.
  • getframe.
  • Adding TGraph.SetOption & TGraph.GetOption for keeping track of draw option (bit hacky).
• Adding Plot.drawbox.
• Adding sumhists to python/plot/utils.py.
• Converting CMSStyle.py (back) from Windows (CRLF) to Linux (LF) file format, ...
• Adding Sample.add, Sample.__add__.
• Adding new unit tests to check results for different combinations of plotting options.
• ...

Validation

Unit tests with:

test/testPlot.py -v
test/testStack.py -v

https://ineuteli.web.cern.ch/ineuteli/TauFW/plots/