Fix _malloc_options
Merge https://github.com/enhanceMT/Server into experimental_clang-build
Fix FreeBSD support
Fix compilation windows on Visual Studio 13,14,15 the errors are due to the matrice min in window.h
Fix no matching constructor for initialization of 'std::vector<LPITEM>' in game/Entities/Character/char_item.cpp
Fix namespace __gnu_cxx on clang
Fix non-pointer operand type 'const VID' incompatible with nullptr in game/Entities/Character/char_skill.cpp
Fix some stuff in LuaEngine
Fix invalid operands to binary expression ('nullptr_t' and 'int') in game/config.cpp
Fix FLT_EPSILON and some other stuff
Merge pull request #14 from Adwelean/experimental_clang-build

Fix clang compilation stuff by @Adwelean thanks !