* [vcpkg_check_features] Set OUT_EXPAND_OPTIONS explicitly
* [vcpkg_check_features] Allow reverse logic for features
* [vcpkg_check_features] Document new parameters
* [vcpkg_check_features] Remove unnecessary logging
* Do not create variables for each feature only set OUT_FEATURE_OPTIONS
* Improve documentation
* Update ports that use vcpkg_check_features()
* Missing documentation updates
* [pcl] Fix tools feature
* [opencv,opencv4] Fix usage of vcpkg_check_features()
* [opencv4] Fix typo
* [xsimd] Add new port
* Add a header include guard to xsimd's algorithm.hpp
algorithm.hpp is not guarded by a header include guard, which can cause
difficulty for users. xhihaoy asked that we be sure to include this
patch because it caused a lot of pain.
