Created new panel for documentation, and functions for creating and closing it.
Merge branch 'team9dev' into DocumentationTab

Conflicts:
	PlanningPoker/src/edu/wpi/cs/wpisuitetng/modules/planningpoker/controller/ViewController.java
Conflicts resolved
Resolved conflict in ViewController
Merge commit '1a326e627e806a536e9f1466b1f8bff89fd80419' into DocumentationTab
Modified creation of Documentation panel so there can only be one instance of it.
Merge pull request #141 from dbeckwith/DocumentationTab

Documentation tab