Add some hash functions

- new: md2, md4, md5, sha384, sha512, xxhash-32, xxhash-64
- put Blake2sp hash stuff back to rar code
- added the hashes to GUI and Explorer Menu code

CPP/Common/XXH64Reg.cpp

@@ -1,15 +1,16 @@
-// XXH64Reg.cpp
+// XXH64Reg.cpp /TR 2018-11-02
 
 #include "StdAfx.h"
 
-#define XXH_STATIC_LINKING_ONLY
 #include "../../C/CpuArch.h"
+
+#define XXH_STATIC_LINKING_ONLY
 #include "../../C/zstd/xxhash.h"
 
 #include "../Common/MyCom.h"
-
 #include "../7zip/Common/RegisterCodec.h"
 
+// XXH64
 class CXXH64Hasher:
   public IHasher,
   public CMyUnknownImp
@@ -40,5 +41,4 @@ STDMETHODIMP_(void) CXXH64Hasher::Final(Byte *digest) throw()
   UInt64 val = XXH64_digest(_ctx);
   SetUi64(digest, val);
 }
-
 REGISTER_HASHER(CXXH64Hasher, 0x204, "XXH64", 8)