def add_service(name, path_or_instance, classname=nil, opts=nil)

      @context.add_service(name, path_or_instance, classname, opts)
    end
def add_service(name, path_or_instance, classname=nil, opts=nil)

      @context.add_service(name, path_or_instance, classname, opts)
    end
Adds a service locally (will not get propagated to other workers).

   tracer = Tracer.new
   @dashboard.add_service('tracer', tracer)

 or

   @dashboard.add_service(
     'tracer', 'ruote/exp/tracer', 'Ruote::Exp::Tracer')

 This method returns the service instance it just bound.