Use a standard config dir on non-Windows. Fixes #192

Also remove WindowInfo::GetDefault which was redundant.

Utilities/Log.cpp

@@ -1,4 +1,5 @@
 #include "stdafx.h"
+#include "rPlatform.h"
 #include "Log.h"
 #include <iostream>
 #include <string>
@@ -98,7 +99,7 @@ struct FileListener : LogListener
 	bool mPrependChannelName;
 
 	FileListener(const std::string& name = _PRGNAME_, bool prependChannel = true)
-		: mFile(name + ".log", rFile::write),
+		: mFile(std::string(rPlatform::getConfigDir() + name + ".log").c_str(), rFile::write),
 		mPrependChannelName(prependChannel)
 	{
 		if (!mFile.IsOpened())
@@ -236,4 +237,4 @@ LogManager& LogManager::getInstance()
 LogChannel &LogManager::getChannel(LogType type)
 {
 	return mChannels[static_cast<u32>(type)];
-}
+}