rollback #content changes.
fix up some specs, and kill some bad ones.
require rubydora ~> 1.2
update NokogiriDatastream#content to always be the serialized ng_xml
wrap saving a datastream in a before filter, preventing empty content from hitting fedora.
refix rdf graph lazy-loading
don't call super on #content= any more. we're providing the serializations ourselves.
expose more RDF goodness through  RDFDatastream
not sure why AF::Delegating needs to know about RDFDatastream internals..
rescue from unregistered predicates in method missing. we should just go up to super.
bump to 5.3.0
RDF datastream attributes should delegate as_json to the value
Bump version to 5.3.1
Load ntriples test
Added test for using rdf_subject
Produce better inspect results
You can now pass the datastream name as the first argument to has_metadata and has_file_datastream
HYDRA-850 Support Base.where() and Base.order() methods
removed bad documentation
Removed old TODO