Edit TaskCommander To Use Task Objects

-Remove search command
-Add compareTo method for Task class
-Edit readFromFile to create save file if file doesn't exist
-Add skeleton files for Parser and Executor components
-Rename project
Merge branch 'master' of github.com:cs2103aug2014-f11-1j/TaskCommander

Conflicts:
	src/com/taskcommander/DatedTask.java
	src/com/taskcommander/FloatingTask.java
	src/com/taskcommander/GoogleAPIConnector.java
	src/com/taskcommander/Task.java
	src/com/taskcommander/TaskCommander.java
	src/com/taskcommander/TimedTask.java
	src/com/taskcommander/UI.java