2.2.4

• 89fe313 test: lint
• 3dc6503 update release
• f41c235 deps: bump versions
• d65b9d6 update changes
• c8f1055 doc(CHANGES): rename Changes.md -> CHANGELOG.md
• 2743371 populate [files] in package.json. Delete .npmignore.
• 18e0e47 doc(CONTRIBUTORS): added