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
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...
Removed unused imports in ViewEventController
Added javadoc comments for getter and setter functions in ViewEventController
Added an interface for all tabs that are based on a planning poker session
Removed unused User controller and model files and references