- 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 r275328 and r275330:
Add missing libraries when linking and fix building of some infiniband
utilities by updating some header file locations and compiler include
directives.

Sponsored by: Mellanox Technologies

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

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

- Fix compile errors from the clang conversion
- Grab AF_SDP_INET from sys/socket.h

Submitted by: Garrett Cooper
Sponsored by: EMC / Isilon Storage Division

- Merge in OFED 1.5.3 from projects/ofed/head