BLD: make LOCALE_OVERRIDE travis build use numpy 1.7 for some extra testing
BUG: GH3094, timedelta64 failing on numpy 1.7.0 (on 2.7) as np.array(td series) converts to int64 dtype
DOC: Added error_bad_lines to the summary options

Added a link to the reference example later in the document
Merge pull request #3148 from jreback/timedelta_170

BUG: GH3094, timedelta64 failing on numpy 1.7.0 (on 2.7)
Merge pull request #3147 from davidjameshumphreys/error_bad_lines

DOC: Added error_bad_lines to the summary options for csv
BUG: GH2763 fixed downcasting of groupby results on SeriesGroupBy
      e.g. was returning float64 on int64 input when possible to preserve
      in first/last
DOC: more cookbook examples
Merge pull request #3153 from jreback/cook6

DOC: more cookbook examples
Merge pull request #3152 from jreback/GH2763

BUG: GH2763 fixed downcasting of groupby results on SeriesGroupBy
SCR: format tweaks to test_perf
TST: add rolling_mean test , validate against numpy
BUG: rolling_X functions mishandle edges when center = True
ENH: translate min_periods before passing into _rolling_moment

minp is relavent for fixing up edges, not just down in the cython code
TST: modify check_moment to accomedate expected center=True behaviour
ENH: make padding value a param of _rolling_moment