Add an option to change ping timeout time.

Fix #979

src/Client.cpp

@@ -388,7 +388,7 @@ void CClient::AcceptLogin(CUser& User) {
 
     // Set our proper timeout and set back our proper timeout mode
     // (constructor set a different timeout and mode)
-    SetTimeout(CIRCNetwork::NO_TRAFFIC_TIMEOUT, TMO_READ);
+    SetTimeout(User.GetNoTrafficTimeout(), TMO_READ);
 
     SetSockName("USR::" + m_pUser->GetUserName());
     SetEncoding(m_pUser->GetClientEncoding());