Création de la table rss_users.
Correctif sur les témoins d'activation des modules absences.
Merge branch 'release-1.6.0' into release-1.6.1
Merge branch 'release-1.6.1' into release-1.6.2

Conflicts:
	sql/structure_gepi.sql
Merge branch 'release-1.6.2' into release-1.6.3

Conflicts:
	accueil_modules.php
Merge branch 'release-1.6.3'
Suppression d'un message inutile.