- 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

Set the svn:eol-style = native and svn:mime-type = text/plain
properties on all files in this tree.

Submitted by: rpaulo@

Place proper svn:keywords tag on all these files. They were created
somehow without them on projects/mips, and that mistake was propigated
over to head.

Submitted by: rpaulo@

Merge from projects/mips to head by hand:

Merge support files for the Atheros AR71xx (and soon AR9xxx)
processors, except files from sys/conf and sys/mips/conf. This work
was done primarily by Olecksandr Tymoshenko and works on the
RouterStation and RouterStation PRO. Other AR71xx-based boards have
been reported as working as well (RouterBoard, for example).

- Add intr counters for APB interrupts

- Handle memory requests on apb level, do not pass them up to
nexus
- Unmask IRQ in bus_intr_setup
- Do not count timer IRQ (IRQ0) as stray

- Revert changes accidentally killed by merge operation

- Add some debug output
- Do not manage memory, it's not neccessary. Just pass
request up to nexus to map it to KSEG1

- Add apb device. apb is bridge that connects UART, GPIO,
I2S and PCM to main bus
- Connect apb and uart_bus to build