- Add reference to original library in `FluentBuilder`.
- Change `I<Name>` notation to `<Name>Impl` notation.
- Move error config to test resources
- Add comment with config instruction
- Add config to the documentation
- Remove all enum static managers
- Introduce interfaces for the managers
- Define new application wiring class (`ManagerFactory`)
- Externalise the configuration
* improved /fix command to support disconnected/freezed players;
* added chat messages about connection problem with opponents (checks players status every minute);
* reduced timeout before remove disconnected player from waiting game dialog (from 4 to 2 minutes);
* reduced timeout between client's pings (from 60 secs to 20 secs);
