Import C++11 branch

Import C++11 branch from:

https://github.com/mcostalba/Stockfish/tree/c++11

The version imported is teh last one as of today:
6670e93e50

Branch is fully equivalent with master but syzygy
tablebases that are missing (but will be added with
next commit).

bench: 8080602

src/main.cpp

@@ -26,7 +26,6 @@
 #include "thread.h"
 #include "tt.h"
 #include "uci.h"
-#include "syzygy/tbprobe.h"
 
 int main(int argc, char* argv[]) {
 
@@ -40,7 +39,6 @@ int main(int argc, char* argv[]) {
   Eval::init();
   Pawns::init();
   Threads.init();
-  Tablebases::init(Options["SyzygyPath"]);
   TT.resize(Options["Hash"]);
 
   UCI::loop(argc, argv);