ENH: int parsing, etc.
ENH: add basic converter application
ENH: assigning NA values during type conversions
REF: reorg/cleanup parser C files
BLD: add conversions.c file
ENH: structured array conversion and support code
BUG: fix memory leak in building structured array
ENH: hack in thousands support. untabify
ENH: adding option to skip (and maybe warn about) bad lines
BLD: add str_to.c
ENH: fix segfaulting issue in to_boolean, start on header parsing support etc.
add gitignore for parser
REF: remove cruft
Merge branch 'master' into c-parser

* master: (171 commits)
  BUG: fix Cython tz_convert bug with time zones that haven't had a UTC transition in a long time. close #1946
  BUG: fix buglet
  BUG: try fixing tzlocal bug
  Minor fixes to time series doc.
  Adding DataFrame methods to API reference.
  Added Series functions to API doc.
  BUG: fix segfault in SeriesGrouper with non-contiguous index
  RLS: Version 0.9.0 Release Candidate 1
  BLD: add lib depends #1945
  BUG: missing case for assigning DataFrame via ix
  BUG: python 3.1 timedelta compat issue
  BUG: python 3 tzoffset is not hashable
  TST: adds dateutil to travis-ci install commands
  BUG: let selecting multiple columns in DataFrame.__getitem__ work when there are duplicates. close #1943
  BUG: DatetimeConverter does not handle datetime64 arrays properly
  BUG: reindex with axis=1 when setting Series to scalar location, close #1942
  BUG: fix formatting of Timestamps in to_html/IPython notebook. refactor to_html code. close #1940
  ENH: allow single str input to na_values #1944
  TST: when xlrd is not installed skip tests needing it, close #1941
  BUG: DatetimeIndex localizes twice if input is localized DatetimeIndex #1838
  ...
ENH: refactor to high/low mem functions, consume_rows functions
REF: major parser refactoring to be able to support C and Python parser engines
TST: refactor parser tests to be able to swap out engine globally
REF: more refactoring.  checkpoint to debug something
REF: index_col is always a list
ENH: a bit more progress for today