What's New? (Final compile-able version used to build exe)

1) GUI display of various fixed-time (day-day/day-time/time-day/time-time) tasks
2) Filter status message changed (removing nodone)
3) System Tests (along with all the test cases)
4) Command tests
5) GUI Combination of commands for undo bug fixed

Note: Anything else to be changed, please do so!
Merge branch 'master' of https://github.com/cs2103aug2014-t14-4c/main

Conflicts:
	WhatToDo/LogicData.cpp
	WhatToDo/LogicData.h
	WhatToDo/State.cpp
	WhatToDo/StorageDatabase.h
	WhatToDo/Task.cpp
	WhatToDo/Task.h
What's New?

1) Changed our backup database name to .bak
editted author tag
pulling
minor refactoring
Integrated changes with Zhichao about Task