- Copy stable/10@285827 to releng/10.2 in preparation for 10.2-RC1
builds.
- Update newvers.sh to reflect RC1.
- Update __FreeBSD_version to reflect 10.2.
- Update default pkg(8) configuration to use the quarterly branch.[1]

Discussed with: re, portmgr [1]
Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

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

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

Start the dreaded NOFOO -> NO_FOO conversion.

OK'ed by: core

For variables that are only checked with defined(), don't provide
any fake value.

Makefile.inc wasn't needed; this is a left-over of other files present
in share/security in the trustedbsd_sebsd branch that are not present
in the main tree. Also, .include Makefile.inc from the parent directory
so that BINDIR is set right.

Pointed out by: bde

When lomac-policy.contexts was merged from the TrustedBSD MAC branch,
the Makefiles were not committed.