Fixed Doc.source_dbs with PostgreSQL
Revert "Fixed Doc.source_dbs with PostgreSQL"

This reverts commit 2267c94084e2208ad1146b6ea746a577c785fd77.
Merge branch 'master' into development
Revert "Fixed Doc.source_dbs with PostgreSQL"

This reverts commit 2267c94084e2208ad1146b6ea746a577c785fd77.
Merge branch 'master' into development
Fixed Factory Girls fixture for doc
Fixed models/doc_spec
Merge branch 'development' of github.com:pubannotation/pubannotation into development
Fixed models/denotation_spec
Fixed models/modification_spec
Fixed models/project_spec
Fixed models/relation_spec
Fixed controllers/annotations_controller_spec
Fixed controllers/application_controller_spec
Fixed controllers/divs_controller_spec
Fixed controllers/docs_controller_spec
Fixed controllers/projects_controller_spec
Fixed helpers/annotations_helper_spec
Fixed helpers/application_helper_spec
Fixed helpers/denotations_helper_spec