reinstate red-amber-green nil on image that doesn't yet have red_amber_green.rb file
reinstate red-amber-green nil on image that doesn't yet have red_amber_green.rb file

cyber-dojo/runner_stateless,cyber-dojo/runner_stateless,cyber-dojo/runner_stateless,cyber-dojo/runner_stateless,cyber-dojo/runner,cyber-dojo/runner_stateless,cyber-dojo/runner_stateless,cyber-dojo/runner_stateless,cyber-dojo/runner