Add upgrade scripts for quota

Change-Id: Ic636517ecece069019d798b4e90323d71afc35aa
BUG: 969461
Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
Reviewed-on: http://review.gluster.org/6437
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>