Junit tests added to test functions in Deck.java
Added JavaDocs to this file
added tests for Deck.java
Added JavaDocs and the beginings of tests
Deleted files that were no longer in use
A User can only open a session in a single tab
Cleanup of ViewEventController
Merge pull request #217 from TheTeam8s/bugfix-multipleSessionTabs

Only allows a user to open a single tab for a session
Merge pull request #216 from TheTeam8s/tests-viewSessions

Tests view sessions
Added more tests for Deck.java
Merge pull request #218 from TheTeam8s/deckTesting

Deck.java function testing
Fixed commenting stuff. Believe it or not, this was worked on by The Team8s
Merge pull request #219 from TheTeam8s/feature-addNewReq-REBASE

Fixed commenting stuff. Believe it or not, this was worked on by The Tea...
requirementEstimateStats class can now calculate the population standard deviation of a list of estimates. Test cases include testing of standard deviation calculator
statistics page now has a standard deviation field. Refractored requirementEstimateStats and updated comments
slightly more refactoring
Rearranges statistics panel layout
statistics button no longer displays for open or pending sessions after a closed or ended session has been selected
added some additional tests to bring RequirementEstimateStats to 100% coverage
Statistics button is now deactivated when a statistics page is opened, and whenever a tab other than Current Sessions is clicked. It should only be active when a closed/ended session is selected in the Current Sessions tab