CBQE-1269: implementation community -> enterprise upgrade

covered

	CE Version EE Version

	1.8.1	2.0.0
	1.8.1	2.0.1
	1.8.1	2.0.2
	2.0.0	2.0.1
	2.0.1	2.0.2
	2.0.0	2.0.2

Change-Id: Ifdc763b1519d5a94b01c193f2722d25a0553e29a
Reviewed-on: http://review.couchbase.org/26083
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>
Tested-by: Andrei Baranouski <andrei.baranouski@gmail.com>