Contains:
1) Fixes on Akinita domain object
2) Enhancement on Service interfaces and their implementations
3) Introduced new Test package (edu.uoa.estia.service) and app-context
xml file for testing against the new Services API
4) Introduced new REST Template-based Test package (client.rest)  for
testing against the Estia published Services(implemented as
@Controller). Added sample UserManagementControllerTest.java and stubs
for two more controllers