Fix ArangoRepositoryFactoryBean

Author: mpv1989

src/main/java/com/arangodb/springframework/repository/ArangoRepositoryFactoryBean.java

@@ -31,8 +31,8 @@
 /**
  * Created by F625633 on 07/07/2017.
  */
-public class ArangoRepositoryFactoryBean<T extends Repository<S, String>, S>
-		extends RepositoryFactoryBeanSupport<T, S, String> {
+public class ArangoRepositoryFactoryBean<T extends Repository<S, ID>, S, ID>
+		extends RepositoryFactoryBeanSupport<T, S, ID> {
 
 	private ArangoOperations arangoOperations;