Bugfix: Prevent configuration paths to contain python keywords
TST: suppress gratuitous warnings
ENH/TST/DOC: Implement experimental io.excel._Openpyxl2Writer
VIS: Hide labels for NaN/zeros in boxplt

[ci skip]
VIS: default LinePlot rotation of 0
DOC: need blankline for example
Added test and fix for insertion of empty table bug
CLN PEP8 on format.py
Merge pull request #8316 from artemyk/empty_table_insert

BUG: Exception raised when `to_sql` used to insert empty dataframe
Merge pull request #8286 from iwschris/pep8_format

CLN Pep8 on format.py
Merge pull request #7781 from germangh/master

BUG: Prevent config paths to contain python keywords
TST: py2.6 test fix in test_graphics.py
BUG: Bug in .at that would accept integer indexers on a non-integer index and do fallback (GH7814)
Squashed commit of the following:

commit d44dc582d48b7d1929c2f5de82dae758298011e2
Author: Michael Mueller <michaeldmueller7@gmail.com>
Date:   Wed Sep 3 21:11:06 2014 -0400

    Minor doc fixes

commit 8c23e228f2aae640c23743b6d5532d70b354286c
Author: Michael Mueller <michaeldmueller7@gmail.com>
Date:   Wed Aug 20 10:30:17 2014 -0400

    Referenced new parameter float_precision in docstrings and changelog

commit 820222b82f41db717e3916c5f94b8ea81cbe38be
Author: Michael Mueller <michaeldmueller7@gmail.com>
Date:   Wed Aug 20 09:42:26 2014 -0400

    Switched to function pointers, added benchmark

commit 06bd35ac08487d6079c39c1e556a197cc1766e92
Author: Michael Mueller <michaeldmueller7@gmail.com>
Date:   Sat Aug 16 10:27:19 2014 -0400

    Wrote test for precise converters

commit 73d15e651c5de2d70b027fc77156cbaa4d497213
Author: Michael Mueller <michaeldmueller7@gmail.com>
Date:   Fri Aug 15 23:57:33 2014 -0400

    Added precise converter
Merge pull request #8320 from jreback/fallback

BUG: Bug in .at that would accept integer indexers on a non-integer index and do fallback (GH7814)
Merge pull request #8044 from amras1/new-float-conversion

Added parameter float_precision to CSV parser
Merge pull request #8301 from TomAugspurger/default-rot

VIS: default LinePlot rotation of 0
Squashed commit of the following:

commit 0e9d792fc9d5159179efd810a1092671dbbef3b1
Author: Michael Mueller <michaeldmueller7@gmail.com>
Date:   Wed Sep 17 14:49:31 2014 -0400

    Added warnings about API changes

commit 06472c21000b489841cc8e486ceddf05fd87a1c5
Author: Michael Mueller <michaeldmueller7@gmail.com>
Date:   Fri Sep 12 22:36:06 2014 -0400

    Changed parameter name to skip_blank_lines

commit afd3be30b4afcae0d9bc6278237aab6a4c9e7eb8
Author: Michael Mueller <michaeldmueller7@gmail.com>
Date:   Fri Sep 12 21:50:08 2014 -0400

    Minor doc changes

commit b47876e074f5f683a9a51768e480e24d9d3249ab
Author: Michael Mueller <michaeldmueller7@gmail.com>
Date:   Fri Sep 12 19:26:22 2014 -0400

    Extended blank line skipping to custom line terminated/whitespace delimited reading

commit 3f4a20a831b1bc0ca29779b315dc72d78ad2301e
Author: Michael Mueller <michaeldmueller7@gmail.com>
Date:   Fri Sep 12 11:35:17 2014 -0400

    Changed around io docs section

commit 223e17ecdcbe377cc69fd962221e03412f5e54d3
Author: Michael Mueller <michaeldmueller7@gmail.com>
Date:   Tue Sep 9 23:13:37 2014 -0400

    Turned empty line skipping into a keyword parameter feature

commit dcd31ca6bd0849eab87ea1c3c5441c8630ca3a35
Author: Michael Mueller <michaeldmueller7@gmail.com>
Date:   Wed Sep 3 21:35:09 2014 -0400

    Squashed commit of the following:

    commit 9aea77954681c2f7d1336d94366221222d186c2b
    Author: Michael Mueller <michaeldmueller7@gmail.com>
    Date:   Tue Aug 26 22:43:21 2014 -0400

        Fixed header/skiprows combination issue

    commit 1975affea3bf0bd6f1769a79e4b0c7fde17962df
    Author: Michael Mueller <michaeldmueller7@gmail.com>
    Date:   Wed Jun 25 19:35:24 2014 -0400

        Added warning/notes about functionality change in docs, removed HTML changes

    commit 693c820092d9f17f9101074d29c2d7d53fa5a8ae
    Author: Michael Mueller <michaeldmueller7@gmail.com>
    Date:   Wed Jun 25 15:38:41 2014 -0400

        Fixed problem with HTML reading and infinite loop in PythonParser __init__

    commit 2a0a4babac7a5e53279eaa8281d0a51406caeb27
    Author: Michael Mueller <michaeldmueller7@gmail.com>
    Date:   Mon Jun 23 08:37:33 2014 -0400

        Updated docs with new read_csv functionality, removed unreachable code

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    Author: Michael Mueller <michaeldmueller7@gmail.com>
    Date:   Wed Jun 18 21:43:47 2014 -0400

        Fixed error in empty/whitespace removal function

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    Date:   Wed Jun 18 18:48:08 2014 -0400

        Squashed commit of the following:

        commit 60a1cd1bc1042a9959ae75ff006052c433d98825
        Author: Michael Mueller <michaeldmueller7@gmail.com>
        Date:   Wed Jun 18 18:40:17 2014 -0400

            Fixed error with string/numerical types

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        Author: Michael Mueller <michaeldmueller7@gmail.com>
        Date:   Wed Jun 18 17:47:56 2014 -0400

            release notes

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        Date:   Wed Jun 18 17:15:17 2014 -0400

            Release note

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        Author: Michael Mueller <michaeldmueller7@gmail.com>
        Date:   Wed Jun 18 16:56:44 2014 -0400

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        commit 593495eb15162833de78d2da65f377fa977ad225
        Author: Michael Mueller <michaeldmueller7@gmail.com>
        Date:   Wed Jun 18 15:41:52 2014 -0400

            Added new functionality to Python reader

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        Date:   Mon Jun 16 12:36:14 2014 -0400

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        commit 03a4c3d27c18052f04bd7cb862d289eabbc773ba
        Author: Michael Mueller <michaeldmueller7@gmail.com>
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        commit 01db817e97fc8ee0da85cc17603578b56d294b1b
        Author: Michael Mueller <michaeldmueller7@gmail.com>
        Date:   Sun Jun 15 23:02:04 2014 -0400

            Modified C tokenizer so that comments and empty lines are ignored
DOC: v0.15.0.txt corrections
BUG: Bug in casting when setting a column in a same-dtype block (GH7704)