FIX raise when groupby selecting cols not in frame
ENH partial sorting for mi in sortlevel
DOC partial sort for multiindex
BUG: fixing tseries plot cursor display, resolves #5453
ENH: Area plot is now supported by kind='area'. Also, line plot and area plot can be stacked by stacked=True.
TST: fixup test in tseries/test_offsets for test_datetimeindex (was using a current date)
TST: tests for groupby not using grouper column, solved in GH7000, (GH5614)
CLN: fix invalid line in test_offsets.py
Merge pull request #7019 from jreback/groupby_tests

TST: tests for groupby not using grouper column, solved in GH7000, (GH5614)
Merge pull request #6656 from sinhrks/area_pr2

ENH/VIS: Area plot is now supported by kind='area'.
Merge pull request #7007 from rosnfeld/issue_6623

BUG: fixing tseries plot cursor display, resolves #5453
TST: clean of test_offsets.py
Merge pull request #6135 from hayd/mi_partial_sorting

ENH partial sorting for mi in sortlevel
Merge pull request #6578 from hayd/groupby_selecte_badcols

FIX raise when groupby selecting cols not in frame
BLD: fix build caching
ENH: Scatter plot now supports errorbar
BLD: caching update 2
Merge pull request #6834 from sinhrks/errorbar

ENH: Scatter plot now supports errorbar
BLD: fix caching 3
ENH: cythonize groupby count