- 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

Commit firmware that the xilinx on the Ositech Seven of Diamonds and a
few other cards need. This firmware was obtained from the Linux
pcmica-cs project, but Ositech Communications, Inc has been kind
enough to grant permission to change the license to a pure BSDL type.