MFH (r296633): upgrade to 7.2p2 (fixes xauth command injection bug)
MFH (r296634): re-add aes-cbc to server-side default cipher list
MFH (r296651, r296657): fix gcc build of pam_ssh

PR: 207679
Security: CVE-2016-3115

MFH (r265214, r294333, r294407, r294467): misc prop fixes
MFH (r285975, r287143): register mergeinfo for security fixes
MFH (r294497, r294498, r295139): internal documentation
MFH (r294328): upgrade to openssh 6.7p1, re-add libwrap
MFH (r294332): upgrade to openssh 6.8p1
MFH (r294367): update pam_ssh for api changes
MFH (r294909): switch usedns back on
MFH (r294336): upgrade to openssh 6.9p1
MFH (r294495): re-enable dsa keys
MFH (r294464): upgrade to openssh 7.0p1
MFH (r294496): upgrade to openssh 7.1p2

Approved by: re (gjb)
Relnotes: yes

Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Pull in all the OpenSSH bits that we'd previously left out because we
didn't use them. This will make future merges from the vendor tree much
easier.

Approved by: re (gjb)

Vendor import of OpenSSH 6.2p1.