Add product-backlog and test-plan for turn in on blackboard
Merge pull request #4 from cherryn/software-testing

Updating API, fixing logic-holes.
Fix Hello.java to pass unit test
Add new data class

Email's are an immutable data type to represent and email in our
application. Unit test for construction and "isValid" included.
Fix script to build project as well as tests instead of just building
tests
Added Stub for user and code for Citation and Session.