Merge pull request #179 from atlasapi/mbst-9928-blackout-flag

Support blackout restriction in complex model
Segment to extend Described
Segment to use Identified.id
String IDs on SegmentRef
Merge branch 'mbst-9986-scrubbables' into stage

Conflicts:
	src/main/java/org/atlasapi/persistence/media/entity/IdentifiedTranslator.java