- 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)

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

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

Update ipfilter 4.1.28 --> 5.1.2.

Approved by: glebius (mentor)
BSD Licensed by: Darren Reed <darrenr@reed.wattle.id.au> (author)

Exclude inet_addr.c from the build.
It only provides inet_aton(), which is already provided by the libc. This
causes multiple symbol definitions when linking statically.

Reviewed by: darrenr

Merge IPFilter 4.1.23 back to HEAD
See src/contrib/ipfilter/HISTORY for details of changes since 4.1.13

Regularly scheduled patch to unbreak regularly scheduled post-ipfilter
buildworld breakage.

Exclude loglevel.c from the build. It does not appear to be used by
anything in the tree and buildworld succeeds just fine without it.

Adapt to ipf 4.1.13

Add printproto.c to libipf

Patches from Ruslam Ermilov to remove NetBSD bits from Makefiles and cleanup
build problems with rescue.

create a new build heirarchy for ipfilter tools