some usability changes for mobile guis, e.g. bigger scrollbars etc. maybe the last ones before a alpha release???!!? ;)

src/gui/qt/gametable/gametableimpl.cpp

@@ -4338,6 +4338,7 @@ void gameTableImpl::hide()
 	//clear log
 #ifdef GUI_800x480
 	tabs.textBrowser_Log->clear();
+    tabsDiag->hide();
 #else
 	textBrowser_Log->clear();
 #endif