Merge pull request #120 from atlasapi/mbst-5963-person-ids

Add Person person(Long id) method to PersonResolver
Add withPeople to ItemTestDataBuilder
Merge pull request #119 from atlasapi/add-ids-to-lookup-refs

Add ids to lookup refs
Add related links to channels
Merge branch 'mbst-5687-ingest-channel-simulcast-urls' into stage

Conflicts:
	src/main/java/org/atlasapi/media/channel/Channel.java