removed member gxs_id from ChatId class, because ChatId now uses tunnel ids stored in distant_chat_id for distant chat.

reverted naming confusion in in libresapi ChatHandler and fixed author of distant chat messages (distant chat is still unfinished)

retroshare-gui/src/gui/common/AvatarWidget.h

@@ -50,6 +50,7 @@ public:
 	QString frameState();
 	void setFrameType(FrameType type);
     void setId(const ChatId& id) ;
+    void setGxsId(const RsGxsId& id) ;
     void setOwnId();
     void setDefaultAvatar(const QString &avatar_file_name);
 
@@ -70,6 +71,7 @@ private:
 	Ui::AvatarWidget *ui;
 
     ChatId mId;
+    RsGxsId mGxsId;
 
 	struct {
 		bool isOwnId : 1;