Fix API for "POST keys.json" for webschleuder
Webschleuder expects something else than we answer now:
ArgumentError (expected an attributes Hash, got "imported"): app/controllers/keys_controller.rb:18:in `create'
Webschleuder expects something else than we answer now:
ArgumentError (expected an attributes Hash, got "imported"): app/controllers/keys_controller.rb:18:in `create'