add relation

git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@20081 35612d4c-9d10-0410-837c-bf9dd1be60d7
clean uneeded test


git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@20082 35612d4c-9d10-0410-837c-bf9dd1be60d7
fix gettext


git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@20083 35612d4c-9d10-0410-837c-bf9dd1be60d7