Change BUILD_DEPENDS to BUILDLINK_DEPMETHOD.$pkg= build for packages
with buildlink3.mk files.
Fix build on NetBSD.
Add comment.
Regenerate checksum for patch.
A release is available. Switch from git head to v0.3.
Remove py-musicbrainz-ngs, imported to pkgsrc/audio.
Update path to py-musicbrainz-ngs.