CBD-1400:  upload windows server pkg to S3

Change-Id: I57b376c00736f07cdd1b8ebcd8369d69a3fd9b58
Reviewed-on: http://review.couchbase.org/39218
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>