CHANGE: http://review.gluster.com/91 (This reverts commit e93b270e8d09fc9d36a39b22987d3a172197e73b.) merged in master by Vijay Bellur (vijay)

CHANGE: http://review.gluster.com/92 (This reverts commit 8d64ca70b4c2467d4ed8c76a9eae385abdebd7a7.) merged in master by Vijay Bellur (vijay)

CHANGE: http://review.gluster.com/93 (Change-Id: I787d241e72b6a6c43db96c220d68fe369bb700a4) merged in master by Vijay Bellur (vijay)

CHANGE: http://review.gluster.com/94 (Change-Id: I89467d00030f4714568ef63650ecef0aef1bf753) merged in master by Vijay Bellur (vijay)

CHANGE: http://review.gluster.com/95 (Apart from diagnostic purposes, it's needed when cli is ran by) merged in master by Vijay Bellur (vijay)

CHANGE: http://review.gluster.com/127 (This makes client fake that given user is a superuser,) merged in master by Vijay Bellur (vijay)

Tested with v3.3.0qa44. gluster cli commands can be issued by unprivileged users.
This requires glusterd to be started with xlator-option "mangaement.rpc-auth-allow-insecure=on" and cli commands to be run with option "--log-file=<file>"

As root,
-!- ~ » glusterd --xlator-option=management.rpc-auth-allow-insecure=on 
-!- ~ » 

As an unprivileged used,
--- ~ » gluster volume info --log-file=cli.log
No volumes present
--- ~ » gluster volume create test arch:/export/test --log-file=cli.log
/export/test or a prefix of it is already part of a volume
--- ~ » gluster volume create test arch:/export/test --log-file=cli.log
Creation of volume test has been successful. Please start the volume to access data.
--- ~ » gluster volume info --log-file=cli.log 
Volume Name: test
Type: Distribute
Volume ID: b2ea4c48-0f77-4717-95d5-9fdaa91d83ac
Status: Created
Number of Bricks: 1
Transport-type: tcp
Bricks:
Brick1: arch:/export/test
--- ~ »