Add upgrade scripts for quota

Change-Id: I289662300d32f75e2fc6e789037c3224054a38a5
BUG: 969461
Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
Reviewed-on: http://review.gluster.org/7418
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>