Add call to Lifecycle.stop()

See gh-377

spring-cloud-netflix-core/src/main/java/org/springframework/cloud/netflix/eureka/EurekaDiscoveryClientConfiguration.java

@@ -173,6 +173,7 @@ public class EurekaDiscoveryClientConfiguration implements SmartLifecycle, Order
 
 	@Override
 	public void stop(Runnable callback) {
+		stop();
 		callback.run();
 	}
 
@@ -231,7 +232,7 @@ public class EurekaDiscoveryClientConfiguration implements SmartLifecycle, Order
 		@ConditionalOnMissingBean
 		public EurekaHealthIndicator eurekaHealthIndicator(
 				com.netflix.discovery.DiscoveryClient eurekaDiscoveryClient, EurekaInstanceConfig config) {
-			CompositeMetricReader metrics = new CompositeMetricReader(metricReaders.toArray(new MetricReader[0]));
+			CompositeMetricReader metrics = new CompositeMetricReader(this.metricReaders.toArray(new MetricReader[0]));
 			return new EurekaHealthIndicator(eurekaDiscoveryClient, metrics, config);
 		}
 	}