dutch, german translation update; string updates; IRC server configuration added; password-dialog to join a private game; return-event for chat-input (chat-classes not implementet)

src/gui/qt/gamelobbydialog/gamelobbydialogimpl.h

@@ -17,6 +17,8 @@
 #include <QtGui>
 #include <QtCore>
 
+#include <iostream>
+
 #include "createinternetgamedialogimpl.h"
 #include "sdlplayer.h"
 #include "mainwindowimpl.h"
@@ -73,6 +75,8 @@ public slots:
 	void gameModeDialogUpdate();
 	void clearDialog();
 
+	void sendChatMessage();
+
 private:
 	
 	mainWindowImpl* myW;