MB-100: Non-root non-sudo conf for ubuntu

Change-Id: Ia1f0c11207cac32caa7e57af414e52a7a5fa37b9
Reviewed-on: http://review.couchbase.org/28646
Reviewed-by: abhinav dangeti <abhinav.dangeti@gmail.com>
Tested-by: abhinav dangeti <abhinav.dangeti@gmail.com>