- 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

Consistently cast ACPICA 64-bit integer types when we print them.

Add missing MODULE_DEPEND() so that acpi.ko and aibs.ko can be
loaded dynamically.

Fix a few more SYSCTL_PROC() that were missing a CTLFLAG type specifier.

Import the acpi_aibs(4) driver written by Constantine A. Murenin.
It has more features than acpi_aiboost(4) and it will eventually replace
acpi_aiboost(4).

Submitted by: Constantine A. Murenin <cnst at FreeBSD.org>
Reviewed by: freebsd-acpi, imp
MFC after: 1 month