TST: Create a MySQL database and run MySQL tests on Travis.
TST: fix ujson tests failures on 32-bit
DOC: increased width of text area
DOC: update ipython_directive with changes from ipython to restart prompt number at 1 each page
CLN: Ignore warnings generated by 'DROP TABLE IF EXISTS' when table does not exist.
BUG: (GH4192) Fixed buglet in the broadcasting logic in Series.where
BUG: (GH4192) fixed broken unit test
BUG: invert_xaxis (negative tot_sec) triggers MilliSecondLocator (#3990)
Merge pull request #4177 from danielballan/mysql-on-travis

TST: Do not skip MySQL tests on Travis.
Merge pull request #3991 from jorisvandenbossche/bug_invert_xaxis

BUG: invert_xaxis (negative tot_sec) triggers MilliSecondLocator (#3990)
Merge branch 'where_bool_broadcast' of https://github.com/SleepingPills/pandas into SleepingPills-where_bool_broadcast

Conflicts:
	doc/source/release.rst
Merge pull request #4165 from jorisvandenbossche/doc-width

DOC: increased width of text area (#4159)
Merge pull request #4186 from Komnomnomnom/ujson-32-bit-tests

TST: fix ujson tests failures on 32-bit
DOC: more prominent HDFStore store docs about storer/table formats
Merge pull request #4206 from jreback/hdf_doc

DOC: more prominent HDFStore store docs about storer/table formats
PERF: add ix scalar get benchmark
Merge pull request #4207 from jreback/indexing_perf

PERF: add ix scalar get benchmark