bda57e6992
As part of the documentation retention policy change, we recovered the user, admin, and CLI guides for Mitaka. This patch links to the first two. Linking to the CLI guide will come later in this patch series. Change-Id: I3b6981ad01fb00944f65cdd13682c9ca531393c2 Signed-off-by: Doug Hellmann <doug@doughellmann.com>