Make the log screen do something

[tomkuijsten]

I would start with the most simple implementation possible, just a ItemList bound to a ObservableArray of string.

Later, we could create different tabs or colors for different loggers. Eg take the color of the specimen and use that for the log messages as well. This should make it easier to see your (as the implementer of the specimen) log messages only,

Agree?

[kgroener]

I like the color part, maybe even use it as a filter option for the log? But starting of simple seems like a good idea.