IMPROVEMENT: the "nieuw" menuitem will not be shown, if the user has no permission to fill in a new form.
IMPROVEMENT: the 'taken' menuitem will only be shown, if there are tasklists available based on user features.
IMPROVEMENT: the 'documenten' menuitem will only be shown, if there are documentlists available based on user features.
IMPROVEMENT: the 'meer' menuitem will only be shown, if the features are available.