Bump rep, route-emitter

Bump cloudfoundry-incubator/rep:
  Trevor Ackerman:
     Use gunk.natsClientRunner to connect to nats ( Travis Unknown )
Bump cloudfoundry-incubator/route-emitter:
  Trevor Ackerman:
     Use gunk.natsClientRunner to connect to nats ( Travis Unknown )

Signed-off-by: Abhijit Hiremagalur <abhi@pivotal.io>