Making links required so error message is improved
Making links required so error message is improved

Change-Id: Id25cdf077bda537911b7234a789cb11fdf1a1542
Closes-Bug: 1398636

stackforge/poppy,openstack/poppy,stackforge/poppy,obulpathi/poppy,obulpathi/poppy,openstack/poppy,obulpathi/poppy,stackforge/poppy,openstack/poppy