Merge pull request vega#739 from vega/v3.0.0-beta.22

v3.0.0-beta.22

Merge pull request vega#734 from vega/kw/view.finalize

[Porting Guide] Include `view.finalize` + Add a few links

Merge pull request vega#733 from vega/v3.0.0-beta.20

v3.0.0-beta.20

Merge pull request vega#730 from vega/v3.0.0-beta.19

v3.0.0-beta.19

Merge pull request vega#728 from vega/v3.0.0-beta.18

v3.0.0-beta.18

Merge pull request vega#726 from vega/v3.0.0-beta.17

v3.0.0-beta.17

Bump beta version number.

Merge pull request vega#709 from vega/v3.0.0-beta.15

v3.0.0-beta.15

Merge pull request vega#708 from vega/v3.0.0-beta.14

v3.0.0-beta.14

Merge pull request vega#705 from vega/v3.0.0-beta.13

v3.0.0-beta.13