rm google.golang.org/cloud
add cloud.google.com/go at a47b182e769f5e75f5fc927ff6ee2678f7f552cf
update google.golang.org/api to 63cb68f1e3834e44683ca062ddf06cb9a889380a
update google.golang.org/grpc to
0e6ec3a4501ee9ee2d023abe92e436fd04ed4081
update go4.org to f5283521d7365fb2875408726e9cbf349f173767
fix in cmd/ pkg/ server/
TODO(mpl): fix misc/docker tools as well. next CL.
Fixes#832
Change-Id: I842b968a0afea8a5822913bd614d67cdbe50ee63
mpl