- 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 r267386,269611,284730:

Update vendor driver to 1.2.7. This update improves driver reliability and
adds support of 4Kn drives and report LUNs command.

Many thanks to HighPoint for providing this driver update.

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

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

Import the first release of HighPoint RocketRAID 27xx SAS 6Gb/s HBA card
driver. This driver works for FreeBSD/i386 and FreeBSD/amd64 platforms.

Many thanks to HighPoint for providing this driver.

MFC after: 2 weeks