- 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)

MFC: xz 5.2.2.

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

Update xz to git snapshot of v5.0 branch as of 20110711 (post-5.0.3)

For architectures with __NO_STRICT_ALIGNMENT
define TUKLIB_FAST_UNALIGNED_ACCESS

MFC after: 2 weeks

Update xz to release 5.0.1

MFC after: 1 week

Import of liblzma, xz, xzdec, lzmainfo from vendor branch
Add support for xz and lzma to lesspipe.sh (xzless, lzless)
Bump __FreeBSD_version

Approved by: delphij (mentor)
MFC after: 2 weeks