Merge pull request #48 from atom/404-for-root-path

Respond with 404 (not 401) for requests to `/`

Author: jasonrudolph

Diff for: lib/controller-layer.js

@@ -13,7 +13,7 @@ module.exports = ({modelLayer, pubSubGateway, identityProvider, fetchICEServers,
   app.use(cors())
   app.use(bodyParser.json({limit: '1mb'}))
   app.use(enforceProtocol)
-  app.use(authenticate({identityProvider, ignoredPaths: ['/protocol-version', '/boomtown', '/_ping']}))
+  app.use(authenticate({identityProvider, ignoredPaths: ['/', '/protocol-version', '/boomtown', '/_ping']}))
   app.use(bugsnag.requestHandler)
 
   app.get('/protocol-version', function (req, res) {