MB-10836: For Mac, updated license.txt for Enterprise and Community editions

Change-Id: Ib212293af85a2a22ce423921a12bcf714294587d
Reviewed-on: http://review.couchbase.org/37292
Reviewed-by: Eric Limare <eric.limare@couchbase.com>
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>