LCR License since 0.4.x

If you use the library in a live project then you have to create a pull request
on [Github](https://github.com/otobus/event_bus_postgres) and add yourself to
the list on [LICENCED_USERS.md](https://github.com/otobus/event_bus_postgres/blob/master/LICENCED_USERS.md)
file.