Fixing issue 107
Merge branch 'master' of github.com:qiime/QiiTa into MetadataBug
DOC: Improve comments
Checking column duplicates
cleaning up environment on py3
Merge pull request #106 from ElDeveloper/webfleshout-the-revenge

Add data type and commands selection
Merge pull request #110 from josenavas/MetadataBug

Metadata bug
Merge branch 'master' of git://github.com/biocore/qiita into madne-css