ENH docstring is now PEP8
FIX small fixes in numpydoc's titles

Numpydoc does not accept the following titles
  - Note (should be Notes)
  - Example (should be Examples)
Merge pull request #2201 from NelleV/MEP10_fixes

FIX small fixes in numpydoc's titles
Merge pull request #2200 from NelleV/PEP8_docstring

ENH docstring is now PEP8
DOC acorr is now in numpydoc format
DOC nitpicks on the acorr methods
Merge pull request #2204 from NelleV/MEP10_acorr

MEP10 acorr methods