- added ability to plugins to add a tab in transfers dialog

- improved VOIP plugin to add RTT statistics tab to RS gui.
- added comments in rsplugins.h
- added big tooltip in transfers that would be stuck in checking... mode



git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@4979 b45a01b8-16f6-495d-af2f-9b41ad6348cc

plugins/VOIP/services/p3vors.cc

@@ -154,6 +154,8 @@ p3VoRS::p3VoRS(RsPluginHandler *handler)
 
 int	p3VoRS::tick()
 {
+	std::cerr << "ticking p3VoRS" << std::endl;
+
 	processIncoming();
 	sendPackets();