CBLT-319:  un-comment S3 PUT and DEL commands

Change-Id: I61241d8e35e56c7f596c73db0c5c60f174bba000
Reviewed-on: http://review.couchbase.org/38583
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>