Upgraded to current Version of OpenLayers As of v5.0.0 OpenLayers has adapted common conventions from the JS ecosystem. As the changes fit our current use case better, an upgrade to v5.0.0 is a good idea. For more details see upstream: https://github.com/openlayers/openlayers/releases/tag/v5.0.0

## Backend

In Go.

* Install dependencies

    `sh 3rdpartylibs`

* Build

    Prerequesite: compile server
    ```
    cd cmd/tokenserver/
    go build
    cd ../../
    ```

* Run
    Run server with  `./cmd/tokenserver/tokenserver`


## Client

See [client/README](client/README.md).