again, re-add some windows stuff Revert "possibly controversial commit: remove all windows sources, keeping only the windows cmake so that we can generate an sln to edit the code"

This reverts commit 48ba7961eb.

engine/shared/library/sharedNetwork/src/win32/NetworkGetHostName.cpp

@@ -0,0 +1,67 @@
+// NetworkGetHostName.cpp
+// Copyright 2000-02, Sony Online Entertainment Inc., all rights reserved. 
+
+//-----------------------------------------------------------------------
+
+#include "sharedNetwork/FirstSharedNetwork.h"
+
+#include "sharedNetwork/Address.h"
+#include "sharedNetwork/NetworkHandler.h"
+
+#include <winsock.h>
+
+//-----------------------------------------------------------------------
+
+struct HN
+{
+	HN();
+	std::string hostName;
+};
+
+//-----------------------------------------------------------------------
+
+HN::HN()
+{
+    WSADATA wsaData;
+    int iResult = WSAStartup(MAKEWORD(2, 2), &wsaData);
+	char name[512] = {"\0"};
+	if(gethostname(name, sizeof(name)) == 0)
+	{
+		Address a(name, 0);
+		hostName = a.getHostAddress();//name;
+	}
+}
+
+//-----------------------------------------------------------------------
+
+const std::string & NetworkHandler::getHostName()
+{
+	static HN hn;
+	return hn.hostName;
+}
+
+const std::string & NetworkHandler::getHumanReadableHostName()
+{
+	char name[512] = {"\0"};
+	static std::string nameString;
+	if(nameString.empty())
+	{
+		if(gethostname(name, sizeof(name)) == 0)
+		{
+			name[sizeof(name) - 1] = 0;
+			//hostName = name;
+			nameString = name;
+		}
+	}
+	return nameString;
+}
+
+//-----------------------------------------------------------------------
+
+const std::vector<std::pair<std::string, std::string> > & NetworkHandler::getInterfaceAddresses()
+{
+	static std::vector<std::pair<std::string, std::string> > s;
+	return s;
+}
+
+//-----------------------------------------------------------------------