Quick fix for missing createIsNewStrategy(…).

Solid refactoring will follow up with implementation of DATACMNS-17.

spring-data-mongodb/src/main/java/org/springframework/data/document/mongodb/repository/SimpleMongoRepository.java

@@ -61,6 +61,7 @@ public class SimpleMongoRepository<T, ID extends Serializable> extends
 
         Assert.notNull(template);
         this.template = template;
+        createIsNewStrategy(domainClass);
     }