Add mangle_dupe_cols option to read_csv/table GH3468
DOC: add RELEASE.rst note anticipating breaking change in 0.12.0
BUG: fix qt console repr
Merge pull request #3527 from cpcloud/qt-repr-bug

fix qt repr bug
Merge pull request #3511 from y-p/PR_mangle_dupe_cols_option

ENH: add mode.mangle_dupe_cols option GH3468
Added failing test case for union of two timezone-aware indexes with month end frequencies.

Signed-off-by: Kevin Stone <kevinastone@gmail.com>
Included timezone information when applying month-end offset to ensure timezone information is preserved on index unions.

Signed-off-by: Kevin Stone <kevinastone@gmail.com>
DOC: update RELEASE.rst
DOC: Fix header
Merge pull request #3530 from jseabold/docs-cleanup

DOC: Fix header
DOC: cookbook update
DOC: more cookbook.rst
BUG: Fixed bug in mixed frame assignment with aligned series (GH3492)
Support for s3 file handling
Update README and RELEASE for new S3 support
Merge pull request #3533 from jreback/GH3492

BUG: Fixed bug in mixed frame assignment with aligned series (GH3492)
Update io.rst

added io.read_html
ENH: HDFStore will retain index attributes (freq,tz,name) on recreation (GH3499_)

TST: added legacy_table_0.11 table and tests
ENH: support timezone data_columns in HDFStore (GH2852)

DOC: update release notes/whatsnew, added whatsnew 0.11.1 to index.rst

ENH: warn a FrequencyWarning if appending with a different frequency that existing
BUG: Fixed bug in selecting month/quarter/year from a series would not select the time element

     on the last day (GH3546_)