Provides delayed_job syntax to resque.
Call .delay.method(params) on any object and it will be processed in the background.
# with delayed_job
@user.delay.activate!(@device)
Parameters can be scalar values, active record instances, or classes (but not instances of non-AR objects).
The queue to use for the method can be specified on the delay method:
@user.delay(:queue => :device_activation).activate!(@device)
Based on the work of https://github.com/defunkt/resque and https://github.com/collectiveidea/delayed_job.