Merge pull request #90 from atlasapi/mbst-6296-available-locations

Check children of equivalent containers for available locations
Add PeopleQueryResolver.people impl to EquivalatingPeopleResolver
Merge branch 'mbst-6614-content-people-images' into stage

* mbst-6614-content-people-images:
  Add PeopleQueryResolver.people impl to EquivalatingPeopleResolver