* [vcpkg_configure_cmake] Add NO_CHARSET_FLAG option

* [vcpkg_configure_cmake] Add documentation for new NO_CHARSET_FLAG option

* [vcpkg_configure_cmake, windows toolchain] Handle NO_CHARSET_FLAG in toolchain

* [build.cpp] Add Windows toolchain to package hash

* [duilib,msix,thrift,tidy-html5] Use NO_CHARSET_FLAG to fix regressions

* [oniguruma] Fix misusage of vcpkg_check_features

* [xsimd] Use vcpkg_check_features

* [vcpkg] Add vcpkg_check_feature, vcpkg_check_features

* [vcpkg] Remove vcpkg_check_feature

* [oniguruma,xtensor] Use vcpkg_check_features

* Triplets Overlay Implementation

* Use cache for get_triplet_file_path()

* Code cleanup

* Introduce an easier way to identify target systems...

* fix missing ()

* move the include around.
also added vcpkg_common_functions to be automatically included

* remove warning message

* added remaining VCPKG_CMAKE_SYSTEM_NAMEs found only in vcpkg_configure_cmake to load a toolchain.

* remove warning again from messed up merge

If we keep TMP, when run as 'system' user it is using Windows\Temp folder.

* [scripts] Fix vcpkg_fixup_cmake on non Windows platforms

Script was only handling tools executables ending with .exe.
Changed it so anything under /bin/ in transformed.

This fixes for instance FlatcTargets-release.cmake from flatbuffers
port on osx.