CBD-946:  2.1.0 manifests copies of 2.0.2, with branch names changed to 2.1.0

Change-Id: Ia71f21baca1d5043b0ff176ab60e8383ed3e37fd
Reviewed-on: http://review.couchbase.org/26642
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>