Made Retryer a bean.

spring-cloud-netflix-core/src/main/java/org/springframework/cloud/netflix/feign/FeignClientsConfiguration.java

@@ -103,10 +103,16 @@ public class FeignClientsConfiguration {
 	}
 
 	@Bean
+	@ConditionalOnMissingBean
+	public Retryer feignRetryer() {
+		return Retryer.NEVER_RETRY;
+	}
+
+	@Bean
 	@Scope("prototype")
 	@ConditionalOnMissingBean
-	public Feign.Builder feignBuilder() {
-		return Feign.builder().retryer(Retryer.NEVER_RETRY);
+	public Feign.Builder feignBuilder(Retryer retryer) {
+		return Feign.builder().retryer(retryer);
 	}
 
 	@Bean

spring-cloud-netflix-core/src/test/java/org/springframework/cloud/netflix/feign/FeignClientOverrideDefaultsTests.java

@@ -108,7 +108,7 @@ public class FeignClientOverrideDefaultsTests {
 
 	@Test
 	public void overrideRetryer() {
-		assertNull(this.context.getInstance("foo", Retryer.class));
+		assertEquals(Retryer.NEVER_RETRY, this.context.getInstance("foo", Retryer.class));
 		Retryer.Default.class.cast(this.context.getInstance("bar", Retryer.class));
 	}