Merge branch 'master' into publisher_route

app/controllers/concerns/publisher_controller.rb

app/controllers/v1/users_controller.rb

app/models/institution.rb

app/models/review.rb

app/models/user.rb

app/policies/publisher_policy.rb

app/policies/user_policy.rb

app/serializers/learning_object_serializer.rb

app/services/score_calculator_service.rb

app/workers/review_average_calculator_worker.rb

config/environments/test.rb

config/feature.yml

config/routes.rb

config/sidekiq.yml

...e/20161121115115_add_review_average_to_learning_object.rb

spec/acceptance/learning_objects_spec.rb

spec/factories/learning_objects.rb

spec/factories/taggings.rb

spec/factories/tags.rb

spec/factories/users.rb