Merge pull request #552 from atlasapi/orgs-lowercase-ids

lowercase ids on Organisations
Merge pull request #548 from atlasapi/refactor-getty

Refactor getty
Merge pull request #536 from atlasapi/channel-writer-lock

Only allow one writer of channels at a time
Fix tests broken by channel write locking change.
Revert Channel locking change, needs testing on stage
Ingest genres from PA onto channels. Add filters to both channels and channel_groups endpoints
to filter by channel_genre.
Merge branch 'mbst-9629-channel-genres' into stage

Conflicts:
	src/main/java/org/atlasapi/output/simple/ChannelSimplifier.java