DATAMONGO-1514 - SpringDataMongodbQuery needs to be public.

SpringDataMongodbQuery is exposed publicly in QuerydslRepositorySupport, that's we've got to make it public to make sure class to the exposed methods from outside the package actually compile.

Original pull request: #401.

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/repository/support/SpringDataMongodbQuery.java

@@ -27,7 +27,7 @@ import com.querydsl.mongodb.AbstractMongodbQuery;
  * 
  * @author Oliver Gierke
  */
-class SpringDataMongodbQuery<T> extends AbstractMongodbQuery<T, SpringDataMongodbQuery<T>> {
+public class SpringDataMongodbQuery<T> extends AbstractMongodbQuery<T, SpringDataMongodbQuery<T>> {
 
 	private final MongoOperations operations;