Pointing to hydra-jetty/fedora-4/edge
Cleanout Fedora before and after tests

Accounting for tombstone resources, we need to delete the tombstones
before we can re-use a URI. Randomizing the tests ensures we’re doing
this correctly and not leaving any cruft behind.
fcr:content has gone away

Changes to F4 repository have made fcr:content obsolete. Now you just
call the uri to get the content of a resource.
Remove the ContainerResource from Datastream