Merge branch 'fix-complaints'

Gemfile.lock

app/assets/javascripts/management.js

app/assets/javascripts/management/accesses.js

app/assets/javascripts/management/downloads.js

app/assets/javascripts/management/learning_objects.js

app/assets/stylesheets/application.scss

app/controllers/complaints_controller.rb

app/controllers/management/statistics_controller.rb

app/controllers/management_controller.rb

app/repositories/orient_db/collection_repository.rb

app/repositories/orient_db/complaint_repository.rb

app/repositories/orient_db/learning_object_repository.rb

app/repositories/orient_db/user_repository.rb

app/views/collections/show.html.erb

app/views/complaints/_complaints_button.html.erb

app/views/complaints/_form.html.erb

app/views/management/statistics/index.html.erb

app/views/management/statistics/learning_objects.html.erb

app/views/shared/management/_nav_menu.html.erb

config/routes.rb