Retrofitted all the schedulers to call UpdateEnvironment(..) function instead of the old named function i.e AddHostIfNew(..)

schedulers/firstfitwattsonly.go

@@ -112,7 +112,7 @@ func (s *FirstFitWattsOnly) ResourceOffers(driver sched.SchedulerDriver, offers
 	log.Printf("Received %d resource offers", len(offers))
 
 	for _, offer := range offers {
-		offerUtils.AddHostIfNew(offer)
+		offerUtils.UpdateEnvironment(offer)
 		select {
 		case <-s.Shutdown:
 			log.Println("Done scheduling tasks: declining offer on [", offer.GetHostname(), "]")