ApplicationController#current_user
MediaEntriesController + Routes + Specs
remove unnecessary things from MediaEntriesController
no routes for MediaEntriesController => no controller specs
simple login
send title to grave again
spec for my_controller
spec for application_controller
update cider-ci/tasks/rspec-plain.yml
Immutable meta_keys, 1. prevent deletion
Finish ensure immutable core meta_keys