Return vbucket URI in remote_couch_uri_for_vbucket()
Return vbucket URI in remote_couch_uri_for_vbucket()

Change-Id: I191bce5297998e84e860a9033a55f5263bc6b0ae
Reviewed-on: http://review.couchbase.org/10739
Reviewed-by: Aliaksey Artamonau <3c875bcfb3adf2a65b2ae7686ca921e6c9433147@gmail.com>
Tested-by: Srinivas Vadlamani <4036f57732a648e71da3ac2c829c8239a16a4c5d@couchbase.com>

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