Added basic login service functionality.
Added login page module.
Further implementation for saving user to db.
Temporary disabled validation when persisting entities because of compatibility issue with gwt-validation.
Added session management.
Disabled non working checks for order of imports.
Fixed authentication on server.
Added internationalization to LoginPage.
Fixed CheckStyle warning.
Removed some CheckStyle issues.
Fixed CheckStyle and FindBugs issues.
Added script for users.
Fixed security issue for exposing user password hash. Changes to the way login and checkSession are done in order to use the current user object reference in client.
Added widget for user details info  and login / logout functionality.
Fixed db scripts for inserting default users.
Merge branch 'E6-Login' of https://github.com/ivailo-pashov/MunicipalityInfrastructureService

Conflicts:
	src/com/aacdil/municipality/MunicipalityInfrastructureService.gwt.xml
	src/com/aacdil/municipality/model/Model.java
	src/com/aacdil/municipality/model/Request.java
	war/WEB-INF/web.xml
Merging U3 and master branches.