Add function to retrieve the filetype table

The returned dict is keyed either by the filetype, or by the filetype_id,
depending on the key parameter
Add click command to add raw data
Add convenience function to load raw data
Merge branch 'master' of https://github.com/biocore/qiita into load_raw

Conflicts:
	scripts/qiita_db
Add tests for get_filetypes
fixup test
Fix get_filetypes
Move env manipulation commands to qiita_env script

This way, commands in the qiita_db script will be able to access the database
e.g., in order to populate click.Choice options
fix swap
Add utility get_filepath_types
adding missing deps to install
Merge branch 'master' of https://github.com/biocore/qiita into load_raw

Conflicts:
	scripts/qiita_db
expand test_create
pep8
Moved the environment control commands

They now have their own script
update INSTALL.md and .travis.yml
Merge pull request #115 from adamrp/qiita_env_script

Moved the environment control commands
Merge branch 'master' of https://github.com/biocore/qiita into load_raw

Conflicts:
	scripts/qiita_db
Merge pull request #113 from squirrelo/jobcreate

Fix job create
Update click script