DOC: fix docstring of value_counts/nunique dropna argument after GH7424
DOC: Fix parameter in reindex_axis docstring
SQL: don't reflect full database GH7396
FIX: don't create 32 bit int type for int64 column (GH7433)
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
Update docs to use display.width instead of deprecated line_width.
Merge pull request #7669 from lexual/docs_use_display_width

Update docs to use display.width instead of deprecated line_width.
CLN: Simplify Period construction / Resolution
Merge pull request #7634 from jorisvandenbossche/sql-int64

FIX: don't create 32 bit int type for int64 column (GH7433)
Merge pull request #7581 from jorisvandenbossche/sql-reflect-database

SQL: don't reflect full database GH7396
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