Added link to bug reports in footer

Change-Id: Iff8940afc3bc444f20db8e87abc5ccc3a76f6ffe
Fixes: bug #1161184
Reviewed-on: https://review.openstack.org/30945
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Approved: Evgeny Fadeev <evgeny.fadeev@gmail.com>
Reviewed-by: Evgeny Fadeev <evgeny.fadeev@gmail.com>
Tested-by: Jenkins