Towards #5
Replaces references to OAC with OA (including renaming classes etc)
Updated simple validation and browse queries to support both OAC and OA model instances for now
Towards #5 supporting OA
updated display stylesheets and browse query to support OA as well as OAC annotations
Added asTriples param for search
Enables search results to be displayed in current triples format (from sparqlxml) or as objects (e.g. annotations, resource maps)
added hidden form input so that default annotation keyword search results are friendlier
Update to reflect change to params in search API
Return valid sparqlxml for boolean result e.g. ask query
Update docs to reflect change to OA
(for API endpoint as well as example)
Updated stylesheet for new OA prov properties