Put Plugins/ in Core/, rename to VideoBackends

Source/Core/VideoBackends/OGL/Src/main.h

@@ -0,0 +1,10 @@
+// Copyright 2013 Dolphin Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#ifndef _MAIN_H_
+#define _MAIN_H_
+
+#include "MainBase.h"
+
+#endif // _MAIN_H_