Depends ======= ``install_openjpeg.sh``, ``install_webp.sh``, ``install_imagequant.sh``, ``install_raqm.sh`` and ``install_raqm_cmake.sh`` can be used to download, build & install non-packaged dependencies; useful for testing on CI. ``install_extra_test_images.sh`` can be used to install additional test images that are used by CI.