sqlite: Empty file to make the go tool happy with a test-only directory.

Not sure if this is still needed but had it sitting on my filesystem, never
checked in.

Change-Id: I06a5efd265032b6a4f867a8d0504cfb4f061304b
camlistored, serverinit: allow server config from URLs.

paves the way for server config from GCE metadata, too.

Change-Id: I9e54e3ad79eb53e7ae96159f2aa02f4a017e8e11