cancel display header
Parser can parse redo command now
Merge branch 'master' of https://github.com/cs2103aug2014-t17-1j/main
Merge pull request #100 from cs2103aug2014-t17-1j/Jack_UI

Jack ui
add init list for UI
optimize edit and complete
edit bug for undo
optimised add and delete, use task instead of id
Default category is now "Others"
Merge pull request #101 from cs2103aug2014-t17-1j/Parser

Default category is now "Others"
Changed parsing behavior for delete case
refactor undo takes input parsedResult
refactor: put diaplay for undo inside every implementation
Merge branch 'master' of github.com:cs2103aug2014-t17-1j/main
correct display for undo edit
Remove Header in Summary Report