DOC: Fix parameter in reindex_axis docstring
BUG: consistent subplot ax handling
TST/CLN: Refactor io.data.options class to improve testing

Removed most references to month and year (passing expiry date around instead).
Also protected with RemoteDataError checking for the expiry month links.
BUG/CLN: LinePlot uses incorrect xlim when secondary_y=True
CLN: Simplify Period construction / Resolution
DOC: squash gh6838. Separate set_options from basics.rst
Add some documentation on gotchas related to timezone library updates.
CI: update sqlalchemy to 0.9.6 in 3.4 build
Merge pull request #7607 from sinhrks/millireso

CLN: Simplify Period Construction / Resolution
Merge pull request #7391 from sinhrks/subplotax

BUG: inconsistent subplot ax handling
DOC: better format of option descriptions

- remove extra spaces from option descriptions (already in strings in config_init.py)
- move default and current value to last line
CI: change 2.7 build for sqlalchemy to 0.9.6
Merge pull request #7672 from rockg/holiday-doc

Add some documentation on gotchas related to pytz updates #7620
DOC: v0.14.1 doc updates
Merge pull request #7566 from kyleam/reindex_axis-docstring

DOC: Fix parameter in reindex_axis docstring
PERF: improve resample perf
DOC: fix docstring for DataFrame.interpolate
Merge pull request #7553 from jdreaver/master

DOC: fix docstring for DataFrame.interpolate
BUG: Test for underlying price before reducing data

Removed most references to month and year (passing expiry date around instead).
Also protected with RemoteDataError checking for the expiry month links.
Merge pull request #7578 from clham/6838_set_option_doc

DOC: closes gh6838. Breakout options.rst from basics.rst