implemented ontology status propogation
Merge branch 'master' of https://github.com/ncbo/ontologies_linked_data
Merge branch 'master' of https://github.com/ncbo/ontologies_linked_data
Merge branch 'master' of https://github.com/ncbo/ontologies_linked_data
Revert "Merge branch 'master' of https://github.com/ncbo/ontologies_linked_data"

This reverts commit 86ff1539f36483477f20a902c0267a37a6cdb021, reversing
changes made to 12ce270b1d32723343790025b159bbb67061e63e.
Revert "Revert "Merge branch 'master' of https://github.com/ncbo/ontologies_linked_data""

This reverts commit 0f5c5b507b9285ff3dd046f330ce2a4258e7a777.