Add mavenrepo CNAME

Change-Id: I83d1e000410bf2fd2688608500bd10272923a4ba
diff --git a/roles/maas/files/update_dns_template.sh b/roles/maas/files/update_dns_template.sh
index 5bb7633..9083520 100755
--- a/roles/maas/files/update_dns_template.sh
+++ b/roles/maas/files/update_dns_template.sh
@@ -59,6 +59,7 @@
 $HOSTNAME IN A $LHOST
 docker-registry CNAME $HOSTNAME
 apt-cache CNAME $HOSTNAME
+mavenrepo CNAME $HOSTNAME
 \$INCLUDE "/etc/bind/maas/cnames.inc"
 {{endif}}
 EOT