no cog yay -- oh god why...
Update to depend on scikit-bio 0.1.1.
Merge pull request #1563 from ElBrogrammer/skbio-0.1.1

Update to depend on scikit-bio 0.1.1.
changed cogent imports to skbio
Merge pull request #1564 from johnchase/ports

changed cogent imports to skbio
Use skbio's ANOSIM and PERMANOVA methods
Merge pull request #1566 from ElBrogrammer/skbio-anosim-permanova

Use skbio's ANOSIM and PERMANOVA methods
Merge pull request #1562 from ebolyen/issue1541

no cog yay -- oh god why... UPGMA removed.
Adding some more code
Solving merge conflicts