Merge pull request #283 from MG-RAST/develop

Merging changes from develop to master for hotfix
Merge pull request #311 from teharrison/develop

analysis page: stop warning spam in web log, fix BIOM ontology export, fix BIOM ids to be real (func group id or ncbi tax id)
Merge pull request #312 from MG-RAST/develop

3.3.4 release