adds functions to PlayingCardJPanel class to make code cleaner
worked with cgwalker
Merge branch 'sbl-dev' of github.com:struct-by-lightning/wpi-suite into sbl-dev
fixes remove and add buttons in NewGameView
worked with cgwalker
Merge pull request #276 from labatbouta/sbl-dev

adds functions to PlayingCardJPanel class to make code cleaner
Tested by: Alec Thompson - ajthompson