Branch updated to release-3.4

Change-Id: Ie61e727f28b61ddf9d0e7133533aeaba4e7e0b7c
BUG: 820551
Signed-off-by: Vijay Bellur <vbellur@redhat.com>
Reviewed-on: http://review.gluster.org/4500
Reviewed-by: Anand Avati <avati@redhat.com>
Tested-by: Anand Avati <avati@redhat.com>