winapi-utf8 - WinAPI: UTF-8 <-> UTF-16 conversion

	Commit message (Expand)	Author
2020-10-04	AppVeyor: re-enable VS 2017 builds	Egor Tensin
2020-10-04	AppVeyor: disable VS 2017 builds for now also	Egor Tensin
2020-10-04	AppVeyor: disable VS 2015 builds for now also	Egor Tensin
2020-10-04	AppVeyor: disable VS 2013 builds for now	Egor Tensin
2020-10-04	AppVeyor: disable Debug builds	Egor Tensin
2020-10-04	AppVeyor: use newer Boost on VS 2013	Egor Tensin
2020-10-04	add AppVeyor configuration	Egor Tensin