BUG #15150 normalization of crosstable with multiindex and margins#16599

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cmohl2013 wants to merge 7 commits intopandas-dev:masterfrom

cmohl2013:crosstable_norm

Commits on Jul 25, 2017

worked on _normalize function
Christoph Möhl
committed
modified crosstable normalization for multi index data
Christoph Möhl
committed
added test for crosstab norm with multiindex
Christoph Möhl
committed
BUG GH15150 crosstable normalize with multiindex
Christoph Möhl
committed
#15150 added conditional calculation of crosstable margins based on normalization type, corrected expected margin values in test_margin_dropna
Christoph Möhl
committed
added whatsnew and reformatted tests to be more readable
Christoph Möhl
committed
workaround for adding margins row to multiindex
Christoph Möhl
committed