Add Squeeze LTS repository in sources.list

roles/common/templates/apt/sources.squeeze.list.j2

@@ -8,6 +8,9 @@ deb http://ftp.fr.debian.org/debian/ squeeze main contrib non-free
 deb http://ftp.fr.debian.org/debian/ squeeze-updates main contrib non-free
 #deb-src http://ftp.fr.debian.org/debian/ squeeze-updates main contrib non-free
 
+deb http://ftp.fr.debian.org/debian/ squeeze-lts main contrib non-free
+#deb-src http://ftp.fr.debian.org/debian/ squeeze-lts main contrib non-free
+
 deb http://security.debian.org/ squeeze/updates main contrib non-free
 #deb-src http://security.debian.org/ squeeze/updates main contrib non-free