changed log4j.properties. Now it works correctly
Added AppUser Infrasctructure like:
1. model AppUser
2. DAO AppUserDAO
3. service AppUserManager

4. Added al the information into Spring context *.xml files.

Added integral test for AppUserDao. it Works
Nothing special about this one.
Made tests for AppUserManager
Made method AppUserDAO.getAppuserByName to use it in my inplementation of UserDetailsService.
Small service Changes in the code.
Modified AppUser.java to be usable in the security environment
Added UserDetailsServiceImpl.java implementation of the interface UserDetails.
Made service method to get users from the database edu/khai/applicationtracker/util/UserDetailsProvider.java

Created unit tests for both new classes.