* Initial support of libunwind
* Fix copyright install
* ./vcpkg x-add-version --all
* Update git-tree
* Resolve some change requests
- A blank line needs to be added at the end of the file.
- Fix the version number in the vcpkg.json and usage files.
* Fix version
* Use vcpkg_from_github instead vcpkg_from_git
* Fix usage and portfile.cmake files
* Fix git-tree
* Yet another refactor
* Update git-tree
