Merge branch 'create-learningobject-relations' into fix-welcome-controller

Gemfile

Gemfile.lock

app/controllers/collections_controller.rb

app/controllers/institutions_controller.rb

app/controllers/learning_objects_controller.rb

app/controllers/management/users_controller.rb

app/controllers/welcome_controller.rb

app/models/attribute.rb

app/models/learning_object.rb

app/models/subject.rb

app/repositories/orient_db/attribute_repository.rb

app/repositories/orient_db/base.rb

app/repositories/orient_db/carousel_repository.rb

app/repositories/orient_db/collection_repository.rb

app/repositories/orient_db/institution_repository.rb

app/repositories/orient_db/learning_object_repository.rb

app/repositories/orient_db/main_page_repository.rb

app/repositories/orient_db/subject_repository.rb

app/repositories/orient_db/user_repository.rb

config/initializers/repositories/dspace.rb