* update to 5.12.4
* removed port qt5-modularscripts and split it functionality into more functions into qt5-base
* added qt_port_hashes.cmake for simpler upgrade.
* added optional VCPKG_QT_HOST_MKSPEC and VCPKG_QT_TARGET_MKSPEC to select QTs build mkspecs from a triplet
* qt_<config>.conf are now copied from the build dir instead from the port dir
* fixed freetype dependencies.
* cleanup of vcpkg_qmake scripts. No strange/unclear replacements anymore.
* introduced vcpkg_buildpath_length_warning
* changed directory layout of the qt5 installation executables and mkspecs a bit.
* Fix qt5-base portfile
qt5-release.conf was not copied in release mode
* Fix vcpkg_configure_qmake.cmake in debug-only builds
* Add VCPKG_BUILD_TYPE support to qt_modular_library.cmake and vcpkg_build_qmake.cmake
* [qt5] Fix mac build
* [qt5] Disable parallel build on mac
* [qt5] Fix qmake find on mac
* [qt5] Update find jom for mac
* [qt5] Fix invocation of build command
* [qt5-base] Rebuild packages for #5624
* [harfbuzz] Remove disabled assert (failing due to -Werror)
* [qt5] Bump control version
* [qt5] Disable harfbuzz on mac
* [qt5-base] Disable harfbuzz on mac
* update qt5-base to 5.12
* update modules to 5.12 (qt5-declarative and dependents don't work yet)
* fix qt5-declarative for 5.12 and some hashes.
* add qt5-declarative as dependency for qt5-graphicaleffects
