Fix bug

#134
Delete .settings folder

Unintentional commit
Merge branch 'staging' into ryan/controller
Parser now check validity of dates

if endDate is before startDate return error
Fixed bug on checkDate and added date error message
Better IOException message.
Actually not really
Merge branch 'jin/gui' of https://github.com/cs2103aug2014-w13-1c/main into jolly/gui
Merge branch 'dat/model' of https://github.com/cs2103aug2014-w13-1c/main into jolly/gui
Merge branch 'staging' into jin/gui