added form, controller method and service call for creating users
added mail confirmation request and required index and beans
fixed user request call in service
added enabling/disabling property for mail service
fixed issue in if clause
fixed sending of non auth msgs
added JS method for deleting users
added delete method to user controller
fixed user deletion
added check if user is last admin
fixed service call and test behaviour definition for delete checks
added user view controller method and template
added page to view user and method to open the page from credentials
changed details page
added edit form for users
fixed group selection in edit user template
added method for retrieving user requests
added confirmation page and running into JSON trouble
added succes template finished user creation workflow
added checks and finished user creation workflow