Improving the demo-data
- removing the "custom" element for records
- for user :
- instead of "center a_social" -> Pierre (centre A - a. social)
- instead of "center a_administravie" -> Pol (centre A - secrétaire)
- instead of "center b_direction" -> Jaques (centre B - directeur)
- (for the information between () -> having a translation for Nl / En / Fr)
- display all the users in the demo presentation popup