+* Wed Dec 01 2010 Thierry Parmentelat <thierry.parmentelat@sophia.inria.fr> - plcapi-5.0-19
+- tag permissions system based on roles and not min_role_ids
+- accessors simplified accordingly (no more min_role_id)
+- new methods AddRoleToTagType and DeleteRoleFromTagType
+- accessor-related tagtypes are created sooner, and enforced
+- cleaned up redundancy between db-config.d and accessors
+