upgrade to msvc 2015 because compile error in older version
upgrade to msvc 2015 because compile error in older version

Axosoft/nsfw,Axosoft/nsfw,Axosoft/node-sentinel-file-watcher,Axosoft/node-sentinel-file-watcher,Axosoft/node-sentinel-file-watcher,Axosoft/nsfw,Axosoft/node-sentinel-file-watcher