* update nethost
* bump nethost version
* Add CMake exports in an unofficial- namespace
https://github.com/microsoft/vcpkg/blob/master/docs/maintainers/maintainer-guide.md#add-cmake-exports-in-an-unofficial--namespace
* fix port version and deprecated functions
* change nethost version date to version
* update usage
* add quotes to paths and export targets directly
* bump nethost version
* [nethost] Only build one flavor
* fix build error
* bump nethost version
Co-authored-by: Robert Schumacher <roschuma@microsoft.com>