Move the test in RealTimeHandTest into HandTest and remove the file.
Add place-holder test classes for the four main player actions.
Move the four main player actions out of GameEventType and into their
own PlayerAction enum.
Change the backend of HandActionController to accept new view models and
change the annotations to @MessageMapping.  The controller was also
missing a @Controller annotation.
Add lodash to the project.
Add basic call/check/raise/fold actions to the ui.
Add back in the empty chipsInFrontSet check to fix an error when all
players check in a round.
Change the actionon timer to call check instead of call when the call
amount is zero