support for multiple players
GUI support for multiple players
Game selection list window added
Activation logic added to player
GameManager added
Merge remote-tracking branch 'origin/master'
Merge pull request #3 from pweisenburger/master

GameManager added
Merge remote-tracking branch 'origin/master'

Conflicts:
	tk3.labyrinth.gui/src/tk3/labyrinth/gui/GameField.java
	tk3.labyrinth.gui/src/tk3/labyrinth/gui/GameFrame.java
	tk3.labyrinth.gui/src/tk3/labyrinth/gui/Main.java