enabling default copy ctor for Server
enabling defaultctor for Server
Revert "let ServerFactory return unique ptr instead of raw ptr"

This reverts commit cc7c6b9ece19169b65c94c2b09c75ae5d667800e.
remove reverted include
remove reverted include
add a distinct tool to check if hsgr file is valid, closes #1081
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