Continued with "change personal data":

Continued with "change personal data":
- updating the user instance didn't work the previous way, first you need to copy the loginController.loggedInUser instance and then you can update all fields on it
- added generic template message_box.tpl
- added generic page login_data_saved.xhtml
- added missing navigation rules from login_change_foo.xhtml -> login_data_saved.xhtml
- added some new language strings
- added CSS classes for message box template
- changing email address requires you to enter twice your new email address (displaying old is missing)