Commit of the new UDP Connection methods and

the rewrite of the retroshare core networking stack.

This check-in commits the changes to the pqi code, 
and provides the majority of the improvements.

(1) Introduced new interfaces for DHT and UPnP abstraction: p3dhtmgr.h, p3upnpmgr.h
(2) Introduces abstraction for Authentication: p3authmgr.h
(3) New Connection Manager to coordinate networking code: p3connmgr.h
(4) New Configuration Manager: p3cfgmgr.h

This library has been significantly modified to support DHT synced connections
to enable connections between Firewalled Friends. The connection code has
been rewritten within a new framework, which should make extensions easier to code.

Also removed significant amount of old code relating to Tunnels, Channels etc.
This will be recycled later as higher level services that should not be
part of the core networking library.



git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@306 b45a01b8-16f6-495d-af2f-9b41ad6348cc

libretroshare/src/pqi/pqiloopback.h

@@ -1,9 +1,9 @@
 /*
- * "$Id: pqiloopback.h,v 1.5 2007-02-19 20:08:30 rmf24 Exp $"
+ * libretroshare/src/pqi: pqiloopback.h
  *
  * 3P/PQI network interface for RetroShare.
  *
- * Copyright 2004-2006 by Robert Fernie.
+ * Copyright 2004-2008 by Robert Fernie.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ -23,12 +23,9 @@
  *
  */
 
-
-
 #ifndef MRK_PQI_LOOPBACK_HEADER
 #define MRK_PQI_LOOPBACK_HEADER
 
-
 // The standard data types and the search interface.
 #include "pqi/pqi.h"
 
@@ -36,9 +33,6 @@
 #include <list>
 #include <iostream>
 
-
-// Test Interface (LoopBack)
-// public interface .... includes the whole p3interface.
 class pqiloopback: public PQInterface
 {
 public: