BUG: add fix for opening zero observation dta files
API: Improved inference of datetime/timedelta with mixed null objects. Regression from 0.13.1 in interpretation of an object Index with all null elements (GH7431)
PERF: fastpath for iget from 2dim->1dim
support axis=None for nanmedian ( issue #7352 )
DOC: update DF.as_matrix and DF.values.  Closes gh7413
_sanitize_column now reports proper duplicate error
TST: Add TestCase.assert_numpy_array_equivalent(..) and docstrings
Merge pull request #7440 from toddrjen/nannone

support axis=None for nanmedian ( issue #7352 )
CI: use nose 1.3.3 for all testing
Make nanops._has_infs work for additional dtypes and multidimensional arrays ( issue #7357 )
Merge pull request #7435 from jreback/inference

API: Improved inference of datetime/timedelta with mixed null objects. (GH7431)
Merge pull request #7448 from toddrjen/naninf

Fix bug where ``nanops._has_infs`` doesn't work with many dtypes (issue #7357)
CLN: use np.array(arr,copy=False) where possible
Merge branch 'issue_7432_resolve' of https://github.com/roblevy/pandas into roblevy-issue_7432_resolve
ERR: fixup exception reports for duplicate axis reindexing, related (GH7432)
Merge branch 'fix_empty_open' of https://github.com/bquistorff/pandas into bquistorff-fix_empty_open

Conflicts:
	doc/source/v0.14.1.txt
Merge pull request #7417 from clham/7413

DOC: update df.as_matrix and df.values.  Closes gh7413
WIP: categoricals as an internal CategoricalBlock GH5313
Categorical: add new constructor mode
Categoricals: implement min/max/sort