Bump version to 2.2.1 🎉 and update changelog.

Bump version to 2.2.0 🎉 and update changelog.

Bump version to 2.1.2 🎉 and update changelog.

Bump version to 2.1.1 🎉 and update changelog.

Bump version to 2.1.0 🎉 and update changelog.

Bump version to 2.1.0-beta.7 🎉 and update changelog.

Bump version to 2.1.0-beta.6 🎉 and update changelog.

Bump version to 2.1.0-beta.5 🎉 and update changelog.

Bump version to 2.0.1 🎉 and update changelog.

Update beta branch version to 2.1.0-beta.3.