Don't export aliases (it's not used outside of this module anymore)
Correctly serve the documentation (ENOENT before)
Merge pull request #43 from Financial-Times/servedocs

Correctly serve the documentation (ENOENT before)
Added port parameter
Merge pull request #44 from Financial-Times/new_issue2/args

Added port parameter
Added response time average and uptime metrics (as well as the endpoint to inspect them)
Added number of javascript and css response counts to the metrics
Moved the ServiceMetrics constructor and definition into its own file. Updated index to use new file
Merge branch 'issue7/metrics' of github.com:Financial-Times/polyfill-service into issue7/metrics

Conflicts:
	service/index.js