removed dublication of authenticate_user
removed dublication of authenticate_user

ari/jobsworth,digitalnatives/jobsworth,xuewenfei/jobsworth,digitalnatives/jobsworth,digitalnatives/jobsworth,ari/jobsworth,ari/jobsworth,rafaspinola/jobsworth,xuewenfei/jobsworth,rafaspinola/jobsworth,webstream-io/jobsworth,ari/jobsworth,rafaspinola/jobsworth,xuewenfei/jobsworth,webstream-io/jobsworth,webstream-io/jobsworth,webstream-io/jobsworth,rafaspinola/jobsworth,digitalnatives/jobsworth,xuewenfei/jobsworth,digitalnatives/jobsworth