This state is inverse="false", insert="false", update="false". We save
TheUser object
Change to inverse="true" DELETE insert="false" update="false".
Responsible for update references is UserEvents
Add sessionUserId to track for user, added simple servlet to render
webcontent.
Added ORDER EVENT to main.jsp
Add Userfilter, add bean userFilter to application-context, add method
fetchAllSessionId()
End of 31.10.2013 add DelegatingFilterProxy. Change filter