fix inverted logic
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
fast forward variant lib
build test target explicitly on AppVeyor
build tests by running msbuild on tests project file
enter build directory before calling tests