Fixed part of the implementation
Tester fixes
no message
Merge branch 'master' of https://github.com/srang/elevator

Conflicts:
	.classpath
	.project
Merge branch 'master' of https://github.com/srang/elevator

Conflicts:
	.project
Merge branch 'master' of https://github.com/srang/elevator

Conflicts:
	EventBarrier.java