Don't perform Devise trackable updates on blocked User records

app/controllers/application_controller.rb

app/controllers/explore/application_controller.rb

app/controllers/help_controller.rb

app/controllers/koding_controller.rb

app/controllers/projects/uploads_controller.rb

app/controllers/search_controller.rb

app/models/user.rb

changelogs/unreleased/rs-warden-blocked-users.yml

spec/controllers/projects/uploads_controller_spec.rb

spec/factories/users.rb

spec/features/login_spec.rb