modified to_latex method of DataFrameFormatter to make nicer typeset tables
BUG: suppress error raise by nonnumeric columns when plotting DataFrame #3108
BUG: add raise_on_error to plot when handling errors raised by attempting to plot non-numeric columns #3287
BUG: fix max_columns=0, close #2856
TST: add test for diplay options max_rows and max_columns
BUG: fix expand_frame_repr
TST: add test for display option expand_frame_repr
WIP: rework full/info/expand repr decision tree.
CLN: moved all data for tests to /data sub-dir of the tests
ENH: added legacy pickel generation/testing suppport

TST: added io/tests/test_pickle.py to test stored pickles
     added io/tests/generate_legacy_pickles.py to create legacy pickles
       on various arch and sytems (need contributions)
     added some sample pickles for 0.10.1/0.11.0
BLD: fix setup.py to load correctly data files
BUG: reading py2 pickles in py3 ok now
ENH: added py3 pickles, revsied to include SparseSeries/SparseDataFrame/Index/MultiIndex
BUG: ensure index casting works even in Int64Index
Merge pull request #3264 from anomrake/latex-tables

ENH: update DataFrame to_latex for nicer typesetting
Merge pull request #3287 from changhiskhan/nonnumeric-plot

BUG: suppress error raise by nonnumeric columns when plotting DataFrame ...
Merge pull request #3322 from jreback/index_astype

BUG: ensure index casting works even in Int64Index
BUG: segfault when set_index with MultiIndex. close #3308
Merge PR #3310
Merge PR #2881 and fix unit test