8e8f4bf3fa
Added a usage message which will be shown when a user enters an "unrecognized word" or an "unrecognized command" on the cli. Also added a "--help" option for gluster cli. fixes: bz#1535495 Change-Id: Ibcfb3d1c84daa1054e09c5cdfa6a5dab19f534a6 Signed-off-by: Harpreet Kaur Lalwani <hlalwani@redhat.com>