[SD-979] vocabulary backend endpoint.
Merge branch 'master' into SD-979
Merge branch 'master' into SD-979
[SD-979] Nosetests for vocabulariespopulate
[SD-979] modified resource methods and item methods to allow only GET for time being.
[SD-979] Added nosetests and behave for vocabularies.
[SD-979] Fixing flake errors.
[SD-979] fixed flake erros.
Merge remote-tracking branch 'mayur/master'