Switch from Nz prefix to namespace Nz

What a huge commit


Former-commit-id: 38ac5eebf70adc1180f571f6006192d28fb99897

include/Nazara/Utility/Image.inl.save-failed

@@ -0,0 +1,20 @@
+// Copyright (C) 2015 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Utility module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <memory>
+#include <Nazara/Utility/Debug.hpp>
+
+namespace Nz
+{
+	template<typename... Args>
+	ImageRef Image::New(Args&&... args)
+	{
+		std::unique_ptr<Image> object(new Image(std::forward<Args>(args)...));
+		object->SetPersistent(false);
+
+		return object.release();
+	}
+}
+
+#include <Nazara/Utility/DebugOff.hpp>