According to the new workflow defined for glusterfs documentation,
the upgrade guide is maintained at https://github.com/gluster/glusterdocs

Refer #https://www.mail-archive.com/gluster-users@gluster.org/msg21168.html

Change-Id: I6b04847d0201d362ec054ee245999b6b42e42ea7
BUG: 1206539
Signed-off-by: Humble Devassy Chirammal <hchiramm@redhat.com>
Reviewed-on: http://review.gluster.org/11750
Reviewed-by: Prashanth Pai <ppai@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Kaleb KEITHLEY <kkeithle@redhat.com>

Eventhough we have release branches, its better to keep track of
upgrade procedures of previous versions. This way we always have
pointers to upgrade process.

Change-Id: If7a5af0e9efc36bf0343487819a4d311775e65a8
BUG: 1206539
Signed-off-by: Humble Devassy Chirammal <hchiramm@redhat.com>
Reviewed-on: http://review.gluster.org/10107
Reviewed-by: Krutika Dhananjay <kdhananj@redhat.com>
Reviewed-by: Lalatendu Mohanty <lmohanty@redhat.com>
Tested-by: Lalatendu Mohanty <lmohanty@redhat.com>