Manejador de persistencia implementado. Algunos metodos del servidor hechos. Falta probar todas las sentencias
Merge branch 'master' of https://github.com/sct1992/CardGamesServer

Conflicts:
	bin/common/Card.class
	bin/common/InterfaceServer.class
	bin/common/Protocol.class
	bin/common/Workspace.class
	bin/server/CardsGameServer.class
	bin/server/ManejadorPersistencia.class
	bin/server/Server.class
	bin/server/ThreadNewWorkspace.class
	bin/server/UserSession.class