make available to installer: examples/, service/, README.md

Change-Id: If5afda3714a2207cb191e20aa4f16e726cc7fd3e
Reviewed-on: http://review.couchbase.org/40343
Reviewed-by: Andrew Reslan <andrew.reslan@mac.com>
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>