improved table
added comments
changed customrenderer and done portion
Merge branch 'Ben's_branch' of https://github.com/cs2103aug2014-t11-3j/main into Stanley's_Branch
removed priority markings
Edited ToDoListTableListener implements KeyListener
Comment off arrayLegend
Implement dummy for KeyEvent "UP" and "DOWN"
Edited Indentation
Edited class to get previousInput
Tried to implement minimizing function but failed