Update nats client to use yagnats apcera/nats wrapper [#76637390]
Update nats client to use yagnats apcera/nats wrapper [#76637390]

Signed-off-by: Amit Gupta <535797150de130123ee3ab47e6ea07e409eb6358@pivotallabs.com>

cloudfoundry-incubator/auctioneer