FIX value_counts should skip NaT #7423
ENH dropna for value counts, fix tests for NaT
DOC add value_counts dropna to release notes
nanops pep8 fixes
BUG: Some offsets.apply cannot handle tz properly
CLN: Simplify boxplot and modify its test
BUG: copy certain interpolate arguments to ensure we can write to them;
closes #7295.
Fix indentation: switch to four spaces. (GH6643)
ENH: Added method to pandas.data.Options to download all option data for a ticker.

Also added a few helper functions.  These functions could be applied to refactor some of the other methods.

ENH: In Options.get_all_data: Now checking for any option tag (instead of just mini)

Changed expiry to datetime from string.
Added tests for tick functions.

BUG: Fixed no sign in change column of option download.

BUG: Fix bugs in Options class

Dealt with situation of calculating expiry when symbol contains a hyphen
Fixed bug in finding current expiry month.

BUG: Fixed Options.get_forward_data expiry date

Method assumed expiry date is the same for all option in a given month.
Not the case for options with weekly's.  Also breaks with options that
have tags.

BUG: Fixed Option bug that didn't allow LEAP DL in January.

Option class was checking only the month to determine if the requested
month was the current month.  Changed to check year and month.  Now
allows downloads of next years LEAPS's in January.

ENH: Added option tag and underlying price to option data output.

Factored out URL parsing and error checking from individual methods.

ENH: Refactor of Option class in io.data.

 Consistently returns multi-index data frame.
 Improves speed of downloading combination of calls and puts by only accessing yahoo once per expiry month.

CLN: Fix out of date docstrings in io.data.Options

Moved _parse_row_values definition into _unpack.

CLN: Consistent capitalization in output data.

CLN: Remove Tag, leave Root in data frame output.

CLN: Remove unnecessary _tag_from_root method.

BUG: Fix different capitalizations of Rootexp in _process_data.

TST: Update tests for pandas.data.Options

TST: Remove test for helper function that no longer exists.

TST: Fix option test for change in output

TST: Changes io.data.Options tests to self.assertTrue

TST: Change tests raise nose.SkipTests on remote data errors

TST: Change nose.SkipTest on RemoteDataError instead of IndexError

ENH: Added quote time to outputs of data.Options.

DOC: Added documentation for io.data.Options

DOC: Added documentation of data.Options output.

DOC: Updated docstrings on data.io.Options

DOC: Added experimental tags to io.data.Options docstrings/documentation.

BUG: Bug fixes, added tests, cleanups on documentation

TST: Fix test_data Options tests.

TST: Add test yahoo finance option pages.

DOC: Update example to show slicing.

TST: Remove test for long for python 3 compatibility.

BUG: Fix quote time scraper

TST: Changed the error raised by no tables in data.Options

Tests were failing if the scraper got the webpage but there weren't any tables in it.  Changed from IndexError to RemoteDataError so that nose would skip it on failure.

DOC: Moved reference to new Options method to v0.14.1.txt

DOC: Updated release at 0.14.1.txt for io.data.Options
Merge pull request #7479 from dsm054/add-interp-copies

BUG: Make copies of certain interpolate arguments (GH7295)
Merge pull request #7465 from sinhrks/inittz

BUG: Some offsets.apply cannot handle tz properly
Merge pull request #7424 from hayd/value_counts_NaT

FIX value_counts should skip NaT
CI: 3.4 updates
Merge pull request #7461 from toddrjen/pep8

nanops pep8 fixes
Merge pull request #7351 from sinhrks/boxcln

CLN: Simplify boxplot and tests
Merge pull request #5602 from dstephens99/master

ENH: Added method to pandas.data.Options to download all option data for...
DOC: Clean up docs for io.data.Options.
Merge pull request #7484 from dstephens99/master

DOC: Clean up docs for io.data.Options.
Merge pull request #6646 from dsm054/fix_indentation_errors

CLN: Fix many indentation errors found in #6643.
Merge remote-tracking branch 'upstream/master'