Merge branch 'master' into 'list'

Gemfile

Gemfile.lock

app/builders/learning_object_builder.rb

app/controllers/v1/learning_objects_controller.rb

app/models/collection_item.rb

app/policies/collection_policy.rb

app/serializers/collection_item_serializer.rb

app/serializers/learning_object_serializer.rb

app/services/learning_object_publisher.rb

app/services/search_service/collection.rb

app/services/search_service/learning_object.rb

app/services/search_service/model.rb

app/services/search_service/user.rb

config/initializers/elasticsearch.rb

db/migrate/20170511161146_add_curator_to_learning_object.rb