Governance/s-ramp — pull request #41 by EricWittmann (2012-09-10 13:30:19+00:00)
Title: (sramp-61) Better artifact mime-type support

Refactored the ArtifactType to better support mime types. The mime type
of the artifact should be passed into the persistence layer now. The
binding layer (Atom) is responsible for setting the mime type of the
artifact being added or updated.