Disabled dll-interface warning on MSVC.
Disabled dll-interface warning on MSVC.

Disabled warning C4251 on MSVC. This makes it a clean build.

Kazade/luabind-deboostified,lonski/luabind,luabind/luabind,ltjax/luabind-deboostified,rpavlik/luabind,luabind/luabind,luabind/luabind,alex85k/luabind,davidar/luabind,Oberon00/luabind,grafi-tt/luabind,plsytj/luabind,rpavlik/luabind,mapbox/luabind,alex85k/luabind,alex85k/luabind,mdave88/luabind,MrApplejuice/luabind,rpavlik/luabind,galek/luabind-deboostified,alex85k/luabind,luabind/luabind,decimad/luabind-deboostified,rpavlik/luabind,Oberon00/luabind,Wohlhabend-Networks/luabind-deboostified,rpavlik/luabind