API: resizable HDF5 object
DOC: more doc
incremental...
Merge branch 'master' of github.com:biocore/qiita into demux

Conflicts:
	setup.py
Fix a bunch of flake8 things
Modifying database so the reference table now uses the filepath table to store the sequence/taxonomy/tree filepath
Merge branch 'master' of github.com:qiime/QiiTa into ref_obj
Merge branch 'master' of https://github.com/biocore/qiita into flake8_fixes

Conflicts:
	qiita_db/test/test_study.py
	qiita_pet/handlers/analysis_handlers.py
More fixes...
Merge branch 'master' of github.com:biocore/qiita into demux

Conflicts:
	setup.py
All the things
Add noqa to problematic line; thanks @wasade!
Remove uncommented code and unused imports
Commenting out an import

I don't like to add to commented-out code rather than delete it, but I think
the commented out code is something we will want to implement shortly after
the initial release of Qiita
STY: removed extra whitespace, thanks @adamrp
STY: removed extra variable (excited for flake8...), thanks @adamrp
DOC: mention of splitlib expectation, thanks @adamrp
DOC: mention of the samples parameter, thanks @adamrp
DOC: forgot to change random -> k...
Fixing all the mess of adding the references to the filepath table