CBLT-319:  add 1.0.0 and master SGW dashboards

Change-Id: Ia1e7077785dfcf2eb75044a2bf655ee8a83c74ea
Reviewed-on: http://review.couchbase.org/39029
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>