Logging of distributed events: dpLog

### Logging of distributed events: `dpLog`

Field | Mutable | Type | Explanation
--- | --- | --- | ---
`connectLog` | yes | `Bool` | Wheter messages and events having to do with keeping the state of the connections used by the distribution layer should be writen to the log.
`messageLog` | yes | `Bool` | Wheter messages having to do with keeping the state of the entity protocols of distributed mozart should be writen to the log.

The events are writen to standard out by default. They can be redirected to file by `DPStatistics.createLogFile`.