CBD-829 Use branch 2.0.2 of couchdb and geocouch

Change-Id: I8621fd8b8ffdd31afe46f7f4e5575714709715f4
Reviewed-on: http://review.couchbase.org/24530
Reviewed-by: Filipe David Borba Manana <fdmanana@gmail.com>
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Filipe David Borba Manana <fdmanana@gmail.com>