wait non-empty storageTotals in bucketsListTransformer. Bug 2409
wait non-empty storageTotals in bucketsListTransformer. Bug 2409

Change-Id: Idf74ba080c0a05acec27ff21269b00ee1e66737e
Reviewed-on: http://review.northscale.com/2633
Tested-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>
Reviewed-by: Steve Yen <ef850f73f7832052d3c6d9b5ddd3a1716d9a57f1@gmail.com>
Tested-by: Matt Ingenthron <1fa2ef4755a9226cb9a0a4840bd89b158ac71391@northscale.com>
Reviewed-by: Matt Ingenthron <1fa2ef4755a9226cb9a0a4840bd89b158ac71391@northscale.com>

vzasade/ns_server,nimishzynga/ns_server,mschoch/ns_server,vzasade/ns_server,daverigby/ns_server,mschoch/ns_server,membase/ns_server,daverigby/ns_server,mschoch/ns_server,vzasade/ns_server,mschoch/ns_server,ceejatec/ns_server,pavel-blagodov/ns_server,ceejatec/ns_server,t3rm1n4l/ns_server,membase/ns_server,mschoch/ns_server,mschoch/ns_server,membase/ns_server,membase/ns_server,nimishzynga/ns_server,t3rm1n4l/ns_server,vzasade/ns_server,pavel-blagodov/ns_server,pavel-blagodov/ns_server,daverigby/ns_server,ceejatec/ns_server,membase/ns_server,t3rm1n4l/ns_server,nimishzynga/ns_server,ceejatec/ns_server,pavel-blagodov/ns_server,nimishzynga/ns_server,daverigby/ns_server,nimishzynga/ns_server,nimishzynga/ns_server,daverigby/ns_server,t3rm1n4l/ns_server,ceejatec/ns_server,t3rm1n4l/ns_server,membase/ns_server,ceejatec/ns_server