refactor: Replace most of routes.js with Triage.
Merge pull request #44 from shane-tomlinson/use-triage

refactor: Replace most of routes.js with Triage.
Remove the OPTIONS routes - triage now takes care of it.
Merge pull request #45 from shane-tomlinson/triage-update

Remove the OPTIONS routes - triage now takes care of it.
Refactor: `include.js` serves RumDiaryJSClient

* Add the `/metrics` endpoint.
refactor: Extract the metrics collector from POST-metrics.
Add a test for POST-metrics.
Convert POST-metrics to be an instantiable route. Add tests to ensure data is passed on to collectors.
Further the testing cause.
Rename `verb` to `method`
Update dependencies, replace `enable_cors` with `cors` for newest triage.