PAN-15 UserService.java and completed UserSservice integration test

persistence/scripts/mysql/local_development.sql

@@ -16,6 +16,7 @@ values ('admin', 'secret', true),
 ('BrittanyBi', 'secret', true),
 ('lanlanzeliu', 'secret', true),
 ('tramanh305', 'secret', true);
+
 create table definitions (
 id int not null auto_increment primary key unique,
 name varchar(200) not null,