apply fix for #1250 to neth, take some creds

neth/main.cpp

@@ -65,7 +65,7 @@ bool isFalse(std::string const& _m)
 void help()
 {
 	cout
-		<< "Usage neth [OPTIONS] <remote-host>" << endl
+		<< "Usage neth [OPTIONS]" << endl
 		<< "Options:" << endl
 		<< "    -a,--address <addr>  Set the coinbase (mining payout) address to addr (default: auto)." << endl
 		<< "    -c,--client-name <name>  Add a name to your client's version string (default: blank)." << endl
@@ -122,7 +122,7 @@ string credits()
 	std::ostringstream ccout;
 	ccout
 		<< "NEthereum (++) " << dev::Version << endl
-		<< "  Code by Gav Wood & , (c) 2013, 2014." << endl
+		<< "  Code by Gav Wood & caktux, (c) 2013, 2014, 2015." << endl
 		<< "  Based on a design by Vitalik Buterin." << endl << endl;
 
 	ccout << "Type 'netstart 30303' to start networking" << endl;
@@ -428,7 +428,10 @@ int main(int argc, char** argv)
 		else if (arg == "-V" || arg == "--version")
 			version();
 		else
-			remoteHost = argv[i];
+		{
+			cerr << "Invalid argument: " << arg << endl;
+			exit(-1);
+		}
 	}
 
 	if (!clientName.empty())