DOC: windows binaries are built against numpy 1.8.1
BUG: bar plot can now handle bottom and left kw
BUG: hist raises TypeError when df contains non numeric column
TST: tests for Index.insert to validate neg/pos indexers (GH7256)
TST: Use ISO8601 format for DTI partial slicing
Merge pull request #7290 from sinhrks/gh7289

TST: Use ISO8601 format for DTI partial slicing
Update workflow on documenting changes

Only in whatsnew and no longer also in release.rst
BUG: allow dup indexing with Float64Index