- update to 2.16.0:
* add: Add HierarchicalFlag & hierarchical_level_plus1 for AV1e.
* dep: Update README.md to remove badge links
* dep: Removed waffle-io badge from README to fix broken link
* dep: Drop mailing list, IRC and Slack
* autotools: use wayland-scanner private-code
* autotools: use the wayland-scanner.pc to locate the prog
* meson: use wayland-scanner private-code
* meson: request native wayland-scanner
* meson: use the wayland-scanner.pc to locate the prog
* meson: set HAVE_VA_X11 when applicable
* style:Correct slight coding style in several new commits
* trace: add Linux ftrace mode for va trace
* trace: Add missing pthread_mutex_destroy
* drm: remove no-longer needed X == X mappings
* drm: fallback to drm driver name == va driver name
* drm: simplify the mapping table
* x11: simplify the mapping table