spring-aop-develop: rnd test

rnd test about aop, still not working
spring-aop-develop: rnd test. part 2.

rnd test about aop, still not working
spring-aop-develop: dependency fix
spring-aop-develop: dependencies fix2
AOP implemented
Unnecessar aop config removed
spring-aop-develop: aop (beta vers) was implemented

1) aop (beta version) was implemented
2) tests were refactored under aop and spring-context(not all)
spring-aop-develop: tests were rewritten

1) Tests were rewritten with @DirtiesContext.
2) 'Exit bug' was fixed in Client app.
3) Login home directory now is removed when user is removed
4) 'Remove directory bug' was fixed in Server
5) QuitException was moved to Core module