Add deprecation notice to Readme

Update packages

Use OSM map tiles

Inject service worker

Fix leaflet.css path

[login] Handle 429

Replace single-page login form by login.html

[store] Add api to initially loaded reducers

Get rid of env.js

Use open-wc build system, dump Polymer CLI

Revert "Try to make password prompt work"

Revert "Another try to make password prompt work"

Revert "Change location during login"

Change location during login

Another try to make password prompt work