Autocomplete can now complete the command for the user when the user selects the item from the listview and entered the delete button
clearing the textbox after a command is successfully entered
clearing the textbox after the command is entered
Merge branch 'master' into tys-ui
Merge branch 'master' of https://github.com/cs2103aug2014-w14-2j/main into hyungjon-data
Merged others' work