Add administrator guide link for Mandatory locks feature
Add administrator guide link for Mandatory locks feature

Signed-off-by: Anoop C S <52add29bc15c0f3832a373982b132796d33ff6c3@redhat.com>
anoopcs9/glusterweb,anoopcs9/glusterweb,gluster/glusterweb,anoopcs9/glusterweb,gluster/glusterweb,gluster/glusterweb,gluster/glusterweb,anoopcs9/glusterweb