moved swing stuff to SwingGame

first commit for separated code

fixed font creation and replaced font of all buttons, etc

added options

UI cleanup and added public methods for player classes

added intColorToText to Card

added abstract methods

moved *Player from game- to player-package

made runnable on jdk 1.7

code cleanup and more flexible player implementation (usable but not finished)

bugfixing and code cleanup

removed LaF

added trash/place cards and more stuff

implemented and updated some more rules

initial commit