Update javadocs.

Author: OlgaMaciaszek

spring-cloud-openfeign-core/src/main/java/org/springframework/cloud/openfeign/FeignClientFactoryBean.java

@@ -71,6 +71,7 @@
  * @author Jasbir Singh
  * @author Hyeonmin Park
  * @author Felix Dittrich
+ * @author Dominique Villard
  */
 public class FeignClientFactoryBean
 		implements FactoryBean<Object>, InitializingBean, ApplicationContextAware, BeanFactoryAware {

spring-cloud-openfeign-core/src/main/java/org/springframework/cloud/openfeign/FeignClientProperties.java

@@ -44,6 +44,7 @@
  * @author Olga Maciaszek-Sharma
  * @author Hyeonmin Park
  * @author Jasbir Singh
+ * @author Dominique Villard
  */
 @ConfigurationProperties("spring.cloud.openfeign.client")
 public class FeignClientProperties {

spring-cloud-openfeign-core/src/test/java/org/springframework/cloud/openfeign/FeignClientCacheTests.java

@@ -41,6 +41,7 @@
 
 /**
  * @author Sam Kruglov
+ * @author Dominique Villard
  */
 @SpringBootTest(classes = FeignClientCacheTests.TestConfiguration.class)
 @DirtiesContext

spring-cloud-openfeign-core/src/test/java/org/springframework/cloud/openfeign/FeignClientUsingPropertiesTests.java

@@ -81,6 +81,7 @@
  * @author Ilia Ilinykh
  * @author Jonatan Ivanov
  * @author Hyeonmin Park
+ * @author Dominique Villard
  */
 @SuppressWarnings("FieldMayBeFinal")
 @SpringBootTest(classes = FeignClientUsingPropertiesTests.Application.class, webEnvironment = RANDOM_PORT)