add references host into settings

services/web/app/coffee/Features/References/ReferencesHandler.coffee

@@ -10,6 +10,8 @@ Async = require('async')
 oneMinInMs = 60 * 1000
 fiveMinsInMs = oneMinInMs * 5
 
+if !settings.apis?.references?.url?
+	logger.log "references search not enabled"
 
 module.exports = ReferencesHandler =
 

services/web/config/settings.defaults.coffee

@@ -146,8 +146,8 @@ module.exports = settings =
 			url: "http://#{process.env['CONTACTS_HOST'] or 'localhost'}:3036"
 		sixpack:
 			url: ""
-		# references:
-		# 	url: "http://localhost:3040"
+		references:
+			url: "http://#{process.env['REFERENCES_HOST'] or 'localhost'}:3040"
 		notifications:
 			url: "http://#{process.env['NOTIFICATIONS_HOST'] or 'localhost'}:3042"
 		analytics: