Merge pull request #4838 from jtratner/better-error-message-with-bad-json-key

ENH: Better read_json error when handling bad keys
BUG: fix sort_index with one col and ascending list

now actually checks the first element of the list
Merge pull request #4846 from jtratner/GH4839_sort_index_ascending_bug

BUG: fix sort_index with one col and ascending list
DOC: v0.13.0 HDFStore corrections
BLD: fix json to build on windows, @Komnomnomnom
TST: dtypes tests fix for 32-bit
Merge pull request #4860 from jreback/dtypes_fix

TST: dtypes tests fix for 32-bit
BLD: json mingw doesnt have sprintf_s
Merge pull request #4778 from Komnomnomnom/json-win-build-oops

BLD: windows builds failing in pandas.json (#4764)
TST: windows dtype 32-bit fixes
FIX: iso date encoding year overflow
Merge pull request #4870 from Komnomnomnom/win-dtype-32-bit-fixes

TST: windows dtype 32-bit fixes
Merge pull request #4871 from Komnomnomnom/iso-date-overflow

FIX: iso date encoding year overflow
ENH: Add makePeriodPanel
BUG: (GH4853) Fixed Panel.shift/tshift to use freq.
TST: Added Panel.tshift test case
RST: Added to release notes
CLN: on top of dale-jung 4863, remove shift from series.py, move to generic.py
DOC: v0.13.0 adds
Merge pull request #4864 from dalejung/panel-tshift-4853

Panel tshift 4853
CLN: clean up test_graphics.py
CLN: clean up tseries/tests/test_plotting.py
Merge pull request #4876 from cpcloud/plotting-test-cleanup

CLN: clean up test plotting