v21.0.0-dev.2
* 21.0.0-dev.2 (Miroslav Bajtoš) * Updated README.md (Ferran Gonzalez Alonso) * Run browsertest as part of `npm test` (Miroslav Bajtoš) * Updated build image link (Ron) * Delete CONTRIBUTING.md (Ron) * Update README.md (Ron) * Revert "Ability to choose scheme on client init.." (Tony Tam) * added initialize option for explicitly setting the client scheme rather than the client "guessing" (Tommy Messbauer) * - provides a message when definition is not found, instead of an error. (Taras Katkov)