API: add inplace keyword to Series.order/sort to make them inverses (GH6859)
BUG: Bug in groupby.get_group where a datetlike wasn't always accepted (5267)
DEPR: Indexers will warn FutureWarning when used with a scalar indexer and
       a non-floating point Index (GH4892)
Merge pull request #6872 from jreback/get_group

BUG: Bug in groupby.get_group where a datetlike wasn't always accepted (GH5267)
Merge pull request #6853 from jreback/float_indexers

DEPR: Indexers will warn FutureWarning when used with a scalar indexer this is floating-point (GH4892)
Merge pull request #6861 from jreback/inplace

API: add inplace keyword to Series.order/sort to make them inverses (GH6859)
BUG: Arithmetic, timezone and offsets operations affecting to NaT