force portable mode for now. let's see how bad this breaks things.

src/StepMania.cpp

@@ -945,10 +945,12 @@ int main(int argc, char* argv[])
 	// Almost everything uses this to read and write files.  Load this early.
 	FILEMAN = new RageFileManager( argv[0] );
 	FILEMAN->MountInitialFilesystems();
+	// Force Portable mode right now.
+	/*
 	bool bPortable = DoesFileExist("Portable.ini");
 	if( !bPortable )
 		FILEMAN->MountUserFilesystems();
-
+	*/
 	// Set this up next. Do this early, since it's needed for RageException::Throw.
 	LOG		= new RageLog;