Update app.js
Update app.js

I think a merged branch overwrote localhost:9200 with vinisvr:9200
NextCenturyCorporation/dig,codeaudit/dig,codeaudit/dig,NextCenturyCorporation/dig,codeaudit/dig,codeaudit/dig,NextCenturyCorporation/dig,NextCenturyCorporation/dig,codeaudit/dig,NextCenturyCorporation/dig