- 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 r276669,r276723:

r276669:

Integrate bin/cat/tests from NetBSD into atf/kyua

Sponsored by: EMC / Isilon Storage Division

r276723:

Install d_align.{in,out} for the :align test

Pointyhat to: me

Integrate bin/cat/tests from NetBSD into atf/kyua

Sponsored by: EMC / Isilon Storage Division