MFS (r296781):
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
Approved by: re (marius)

MFS (r296781):
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
Approved by: re (marius)

- Copy stable/10@296371 to releng/10.3 in preparation for 10.3-RC1
builds.
- Update newvers.sh to reflect RC1.
- Update __FreeBSD_version to reflect 10.3.
- Update default pkg(8) configuration to use the quarterly branch.

Approved by: re (implicit)

MFH (r263712): upgrade openssh to 6.6p1
MFH (r264308): restore p level in debugging output

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 6.3p1