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

src/common/hash.h

@@ -0,0 +1,20 @@
+// Copyright 2013 Dolphin Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+
+#ifndef _HASH_H_
+#define _HASH_H_
+
+#include "common.h"
+
+u32 HashFletcher(const u8* data_u8, size_t length);  // FAST. Length & 1 == 0.
+u32 HashAdler32(const u8* data, size_t len);         // Fairly accurate, slightly slower
+u32 HashFNV(const u8* ptr, int length);              // Another fast and decent hash
+u32 HashEctor(const u8* ptr, int length);            // JUNK. DO NOT USE FOR NEW THINGS
+u64 GetCRC32(const u8 *src, int len, u32 samples); // SSE4.2 version of CRC32
+u64 GetHashHiresTexture(const u8 *src, int len, u32 samples);
+u64 GetMurmurHash3(const u8 *src, int len, u32 samples);
+u64 GetHash64(const u8 *src, int len, u32 samples);
+void SetHash64Function(bool useHiresTextures);
+#endif // _HASH_H_