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
Merge pull request #7674 from jorisvandenbossche/doc-options-docstringwidth

DOC: remove extra spaces from option descriptions
BUG: grouped hist raises error with single group
Merge pull request #7665 from dstephens99/master

TST/CLN: Refactor io.data.options class to improve testing
Merge pull request #7673 from sinhrks/minmax_perf

PERF: improve resample perf
TST/COMPAT: numpy master compat with timedelta type coercion
FIX: to_sql takes the boolean column as text column
Merge pull request #7681 from jreback/numpy_issue

TST/COMPAT: numpy master compat with timedelta type coercion
TST: skip buggy test on numpy < 1.7, 3.2, on 32-bits (GH6270)
TST: skip buggy test if can't form test comparison (GH7664)
Merge pull request #7459 from sinhrks/secondary_y

BUG/CLN: LinePlot uses incorrect xlim when secondary_y=True
Merge pull request #7675 from jreback/skip_test

TST: skip buggy tests on debian (GH6270, GH7664)
WIP: select_dtypes impl
Merge pull request #7434 from cpcloud/with-types

ENH: select_dypes impl
DOC: add pointer to options.rst in v0.14.1
DOC: minor corrections in v0.14.1
Merge pull request #7678 from yelite/sql-bool-bug-fix

FIX: to_sql takes the boolean column as text column
PERF: better perf on min/max/resample when on indices not containing NaT for DatetimeIndex/PeriodIndex (GH7633)
Merge pull request #7483 from jorisvandenbossche/fix-doxstring-valuecounts

DOC: fix docstring of value_counts/nunique dropna argument after GH7424