Log the request method in the metrics
Upgrade to express 4.8.5 and cors 2.4.1.
Merge pull request #180 from mozilla-services/bug1055828/log-method-field

Bug 1055828 — Log the request method in the metrics
Improve getMiddleware.
Merge pull request #181 from mozilla-services/go-express-4

Upgrade to express 4.8.5 and cors 2.4.1.
Add the --fd parameter.