Merge pull request #1 from sjsrey/scipy13

BUG: fixes for scipy .0.9.0 to 0.13.0 induced errors
Merge branch 'master' of github.com:pysal/pysal
ENH: adding ml docs to api
EHN: fixing link to bleeding edge docs.
Merge pull request #396 from sjsrey/mldoc

Adding ml docs to api index