LU-2516 kernel: kernel update [RHEL6.3 2.6.32-279.19.1.el6]

Update RHEL6.3 kernel to 2.6.32-279.19.1.el6 (client only)

Signed-off-by: yang sheng <ys@whamcloud.com>
Change-Id: Idd0a3bd08c79e2acafedb2c8271a1be1199bc476
Reviewed-on: http://review.whamcloud.com/4989
Tested-by: Hudson
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Johann Lombardi <johann.lombardi@intel.com>