fix an off-by-one issue in the output JSON
replace boost::variant w/ mapbox::util::variant
initial checkin of mapbox::util::variant
remove remnants of boost::variant
use Nov 2013 CTP to build
replace nmake by msbuild
use explicit OSRM.sln filename
use 64bit cmake generator
make integer literals static const instead of constexpr
make msbuild less verbose
make canary static const instead of constexpr
remove constexpr workaround as minimum req. is now Nov 2013 CTP