Made Anope able to process normally when disconnected from the uplink and not sleep(), enable usage of non-blocking connect() and default all sockets to non blocking mode. Some cleanup to m_ssl and some cleanup to main.cpp.

src/socketengines/socketengine_poll.cpp

@@ -37,6 +37,8 @@ void SocketEngine::Init()
 
 void SocketEngine::Shutdown()
 {
+	Process();
+
 	for (std::map<int, Socket *>::const_iterator it = Sockets.begin(), it_end = Sockets.end(); it != it_end; ++it)
 		delete it->second;
 	Sockets.clear();