mgmt/glusterd: Quota cli message improvements.
mgmt/glusterd: Quota cli message improvements.

Signed-off-by: Junaid <junaid@gluster.com>
Signed-off-by: Vijay Bellur <vijay@gluster.com>

BUG: 2620 (CLI improvements in quota)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2620

Kaushikbv/Gluster,Kaushikbv/Gluster,Kaushikbv/Gluster