hapi@7.5.3

`layoutPath` is a property from `config.server.views` which we still use (see line 6). Hapi 7 just doesn't allow to pass them on creation, so we have to call:

```javascript
server.views(config.server.views);
```

in line 6

(see also `Server Views Configuration` in https://github.com/hapijs/hapi/issues/2023)