added sequence diagram
pulled and must commit
Merge branch 'master' of https://github.com/CMPUT301W14T02/Comput301Project

Conflicts:
	CMPUT301T02Project/project.properties
	ProjectP3JUnitTests/project.properties
Merge branch 'master' of https://github.com/CMPUT301W14T02/Comput301Project

Conflicts:
	sequence_diagram.png