4.1 release patch (visgl#889)

* Fixes visgl#855

4.1.0-beta.4

Beta.1 release. Brings in luma and react-map-gl beta.1 (visgl#752)

* Upgrade to luma.gl beta.1
* Integrate luma and react-map-gl beta. ChANGELOG. package.json(s)

CHANGELOG