Exit jobs immediately on Heroku restart.
Exit jobs immediately on Heroku restart.

See https://github.com/collectiveidea/delayed_job/commit/90579c3047099b6a58595d4025ab0f4b7f0aa67a

davydovanton/ruby-bench-web,treble37/ruby-bench-web,klgilbert/ruby-bench-web,ruby-bench/ruby-bench-web,tgxworld/ruby-bench-web,bmarkons/ruby-bench-web,tgxworld/ruby-bench-web,treble37/ruby-bench-web,klgilbert/ruby-bench-web,ruby-bench/ruby-bench-web,tgxworld/ruby-bench-web,davydovanton/ruby-bench-web,bmarkons/ruby-bench-web,bmarkons/ruby-bench-web,hanmd82/ruby-bench-web,davydovanton/ruby-bench-web,treble37/ruby-bench-web,klgilbert/ruby-bench-web,hanmd82/ruby-bench-web,ruby-bench/ruby-bench-web,hanmd82/ruby-bench-web