Fix documentation to display on git hub correctly
Fix documentation to display on git hub correctly

"Next configure Magnum::" always needs a CR after the ::

Change-Id: I6d0b3615c06f27e78958e82ec6b7c0ceaf11efa5

ddepaoli3/magnum,Tennyson53/magnum,openstack/magnum,ChengTiesheng/magnum,openstack/magnum,eshijia/SUR,dimtruck/magnum,hongbin/magnum,paulczar/magnum,eshijia/SUR,mjbrewer/testindex,Alzon/SUR,jay-lau/magnum,mjbrewer/testindex,LaynePeng/magnum,ChengTiesheng/magnum,ffantast/magnum,ramielrowe/magnum,ArchiFleKs/magnum,annegentle/magnum,ffantast/magnum,annegentle/magnum,hongbin/magnum,sajuptpm/magnum,Tennyson53/magnum,ramielrowe/magnum,dimtruck/magnum,eshijia/magnum,Alzon/SUR,ArchiFleKs/magnum,Tennyson53/SUR,sajuptpm/magnum,ddepaoli3/magnum,paulczar/magnum,LaynePeng/magnum,eshijia/magnum,mjbrewer/testindex,Tennyson53/SUR