* [cudnn] add port and enable it in darknet
* [OpenCV4] fix ffmpeg feature on uwp
* [darknet] enable integration with cuda/cudnn also with opencv3
* [darknet] update to latest revision
* [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