Merge branch 'master' of github.com:biocore/biom-format into issue_439
BUG: to_tsv didn't actually work
BUG: to_tsv wasn't handling metadata right
BUG: to_json wasn't saving table type
BUG: table_type reintroduced
BUG: Table.type == None wasn't handled right
updated config
BUG: process_obs_metadata is weird
the magical combination works. i think
DOC: updated convert messages
TST: test reflecting change of defaults
DOC: example touch up
Merge pull request #450 from wasade/issue_439

Issue 439