ApplicationWorkbenchAdvisor : added comments
EditPasswordElement : Added to make sure user exists in db before changing password
UserDetailElement : Disabled user text field since User is immutable
NewObjectHandler : added non-empty validator for the case of User and Group
ApplicationWorkbenchAdvisor : added comments
EditPasswordElement : Added to make sure user exists in db before changing password
UserDetailElement : Disabled user text field since User is immutable
NewObjectHandler : added non-empty validator for the case of User and Group