#285 Preparing UI authentication
#285 Isolating the GUI security in a configuration
#285 UI security
#285 GUI acceptance tests OK
#285 UI acceptance - make sure user is unique
#285 HTTP basic for the UI
#285 Unit test for the securization of some services (not working yet - the advisor is not applied on all eligible beans)
#285 Pin point the version of `spring-core`
#285 Switching back to XML configuration for the back-end security layer
#285 Still declare the authentication manager