features/quota: Add upgrade scripts to distribution tarball.

Adds scripts to migrate quota limits from v3.4.0 to v3.5.0 to
distribution tarball.

Change-Id: Ia424cb8174fae886bedc5596752200c2f721064b
BUG: 969461
Signed-off-by: Raghavendra G <rgowdapp@redhat.com>
Reviewed-on: http://review.gluster.org/7312
Reviewed-by: Krutika Dhananjay <kdhananj@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>