LUDOC-57 installation: Added section describing installing Lustre with OFED

LUDOC-57 installation: Added section describing installing Lustre with OFED

Added section to Chapter 29 "Installing from Source, that describes
a procedure for installing Lustre with a third-party network stack
using OFED as an example.

Signed-off-by: Linda Bebernes <linda.bebernes@intel.com>
Change-Id: Idd6fce25e7f72e9bf2e6f29b4e7ce51791a5b735
Reviewed-on: http://review.whamcloud.com/7805
Tested-by: Hudson
Reviewed-by: Minh Diep <minh.diep@intel.com>
Reviewed-by: Cliff White <cliff.white@intel.com>
Reviewed-by: Richard Henwood <richard.henwood@intel.com>