got rid of 'src' folders in each sub-project

src/core/system.cpp

@@ -0,0 +1,42 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#include "core.h"
+#include "hw/hw.h"
+#include "core_timing.h"
+#include "mem_map.h"
+#include "system.h"
+#include "video_core.h"
+
+namespace System {
+
+volatile State g_state;
+MetaFileSystem g_ctr_file_system;
+
+void UpdateState(State state) {
+}
+
+void Init(EmuWindow* emu_window) {
+	Core::Init();
+	Memory::Init();
+    HW::Init();
+	CoreTiming::Init();
+    VideoCore::Init(emu_window);
+}
+
+void RunLoopFor(int cycles) {
+	RunLoopUntil(CoreTiming::GetTicks() + cycles);
+}
+
+void RunLoopUntil(u64 global_cycles) {
+}
+
+void Shutdown() {
+    Core::Shutdown();
+    HW::Shutdown();
+    VideoCore::Shutdown();
+	g_ctr_file_system.Shutdown();
+}
+
+} // namespace