Added XML File Handling. TBD: Reading and Editing
Merge remote-tracking branch 'origin/master'

Conflicts:
	bin/.gitignore
	bin/taskbar/Storage.class
	bin/taskbar/Task.class
	src/taskbar/Storage.java
Merge branch 'master' of https://github.com/cs2103aug2014-t10-3j/TaskBar-WalkingSkeleton