added interface methods for public lobby exchange and subscription to public lobbies. Need a GUI now

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@4759 b45a01b8-16f6-495d-af2f-9b41ad6348cc

retroshare-gui/src/gui/ChatLobbyWidget.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#include "RsAutoUpdatePage.h"
+
+class ChatLobbyWidget : public RsAutoUpdatePage
+{
+	Q_OBJECT
+
+	public:
+		/** Default constructor */
+		ChatLobbyWidget(QWidget *parent = 0, Qt::WFlags flags = 0);
+
+		/** Default destructor */
+		~ChatLobbyWidget();
+
+		virtual void updateDisplay() ;
+};
+