BUG: GH3493 Fix cannot append DataFrames with uint dtypes to HDFStore
DOC: Adds GH3493 bugfix note
Merge pull request #3502 from jreback/GH3480

BUG: GH3480 Fix regression in a DataFrame apply with axis=1
Merge branch 'master' of https://github.com/jmellen/pandas into jmellen-master

Conflicts:
	RELEASE.rst
BUG: GH3468 Fix assigning a new index to a duplicate index in a DataFrame would fail
ENH: support for having duplicative indices across blocks (dtypes)
BUG: fix construction of a DataFrame with duplicative indices
BUG: enabled applymap to work (and updated internals/convert to use iget) when

     using a non-unique index (GH2786 for the warning and GH3230 for applymap)

TST: test for GH2194 (which is fixed)