Remove before_filter deprecation warning
Remove before_filter deprecation warning

DEPRECATION WARNING: before_filter is deprecated and will be removed in
Rails 5.1. Use before_action instead. (called from
<class:RegistrationsController> at
/home/travis/build/consul/consul/app/controllers/users/registrations_con
troller.rb:3)

AyuntamientoMadrid/consul,AyuntamientoMadrid/consul,AyuntamientoMadrid/consul,AyuntamientoMadrid/consul