Description of problem: Tracker bug for 6.7
REVIEW: https://review.gluster.org/23926 (doc: Added release 6.7 notes) posted (#1) for review on release-6 by hari gowtham
REVIEW: https://review.gluster.org/23926 (doc: Added release 6.7 notes) merged (#1) on release-6 by hari gowtham