VIVO-566 ontology prefixes VIVO-565 add new class vivo:Abstract and most of VIVO-566 replace vivo:Dataset with obo:Dataset and add cito properties
Merge branch 'maint-rel-1.6' of https://github.com/vivo-project/VIVO into maint-rel-1.6
set TODO_Dataset as a subclass of Document to get the appropriate cites/citedBy properties
need to display contributingRole
Merge branch 'maint-rel-1.6' into develop