Allow 9x ingress connections so non-nat clients can connect and use the network. To be reduced after greedy go is updated to discontinue filling up the network's connection capacity by accepting connections beyond the ones it didn't make and not connecting to every node on the entire network.

libp2p/Host.cpp

@@ -226,7 +226,7 @@ void Host::startPeerSession(Public const& _id, RLP const& _rlp, RLPXFrameIO* _io
 					return;
 				}
 		
-		if (peerCount() > 2 * m_idealPeerCount)
+		if (peerCount() > 9 * m_idealPeerCount)
 		{
 			ps->disconnect(TooManyPeers);
 			return;
@@ -341,7 +341,7 @@ void Host::runAcceptor()
 		auto socket = make_shared<RLPXSocket>(new bi::tcp::socket(m_ioService));
 		m_tcp4Acceptor.async_accept(socket->ref(), [=](boost::system::error_code ec)
 		{
-			if (peerCount() > 2 * m_idealPeerCount)
+			if (peerCount() > 9 * m_idealPeerCount)
 			{
 				clog(NetConnect) << "Dropping incoming connect due to maximum peer count (2 * ideal peer count): " << socket->remoteEndpoint();
 				socket->close();