Update to the mail template.

The email adress to contact has been set to
ng6-support@groupes.renater.fr .

issue #161

ui/nG6/lib/class.tx_nG6_utils.php

@@ -234,7 +234,7 @@ class tx_nG6_utils {
 		
 $template_mail.='The nG6 purge process is undergoing an important overhaul.</br>
 You can visit our FAQ at the following address : https://ng6.toulouse.inra.fr/index.php?id=57 .</br>
-If you have any question or demand, do not hesitate to contact our support team at ng6-support@inrae.fr.</br>';
+If you have any question or demand, do not hesitate to contact our support team at ng6-support@groupes.renater.fr.</br>';
 
 $template_mail.='<p>Yours sincerely</p>
 <p>nG6 team (for GeT-Genotoul and Bioinfo-Genotoul facilities)</p>