Added piesno
Added tests
cleaned init
Changed tests + small fixes
Changed tests to work with optimal quantile value instead of median
Merge branch 'nipy-dipy-master' into piesno
Added piesno
Added tests
cleaned init
Changed tests + small fixes
Changed tests to work with optimal quantile value instead of median
Added api changes file
DOC: Corrected api_changes.rst
Relaxed denoising test
Merge pull request #349 from Garyfallidis/website_update

Added api changes file to track breaks of backwards compatibility
Added section for the target function change.
Merge branch 'piesno' of github.com:samuelstjean/dipy into piesno
Auto-generate DiPy API reference
Update api tools to correctly summarize classes + functions. Render empty modules correctly. Fix TOC.
Allow api-clean to run, even if api hasn't been generated before