Added License and Contributor information to the following files:
Iteration.java
Note.java
Requirement.java
StringListModel.java
Task.java
RequirementChangeset.java
NoteTest.java
Added license and contributor information as well as:
Merge branch 'dev-set3-iteration3' of https://github.com/333fred/wpi-suite-tng into dev-set3-iteration3

Conflicts:
	RequirementsManager/test/edu/wpi/cs/wpisuitetng/modules/requirementsmanager/models/NoteTest.java