Add proper redirection to find test results on multiple servers.

The retrieve_logs.cgi script locates the results whether they
remain on the CAutotest server, a results server or have been
archived into gs.

BUG=chromium-os:32483
TEST=http://truty.i/results/dashboard/daisy/daisy-r22/bvt.html

Change-Id: I8f4b658d884aea41bc367b86a9526003c6528026
Reviewed-on: https://gerrit.chromium.org/gerrit/27853
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Jim Hebert <jimhebert@chromium.org>
Tested-by: Mike Truty <truty@chromium.org>
Commit-Ready: Mike Truty <truty@chromium.org>
4 files changed