set up expired list
printing time
Merge remote-tracking branch 'origin/connect-to-backend' into determine_expired_poll
Get current time and poll end time
Merge remote-tracking branch 'origin/connect-to-backend' into determine_expired_poll
expired poll list shown, can go into expired poll
Delete correct expired poll work
This branch ready to go
Merge remote-tracking branch 'origin/master' into connect-to-backend
Fixed UI freeze when URL error occurs.
Merge remote-tracking branch 'origin/connect-to-backend' into connect-to-backend