[bp/r52595 partial][FIX] login: Add the form closing tag to $close_tags so it gets placed in the correct place (also remove stray </ul></div> on register link, ok in 13.x)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@52829 b456876b-0849-0410-b77d-98878d47e9d5