gddo-server: Adds logging to GCE.

This change handles logging to GCE on every user request to record
user's query term, the package we serve, the status, etc. Setting a log
name in GCE to enable this logging.

Change-Id: I6d22fcd391eccc76aa9ab1d81f00a10eaba48015
Reviewed-on: https://go-review.googlesource.com/21151
Reviewed-by: Alan Donovan <adonovan@google.com>
Reviewed-by: Andrew Gerrand <adg@golang.org>
3 files changed