Listing supertypes; should we be exhaustive?

[ViktorHaag]

It might be a good idea to list the path upwards of supertypes wherever we provide a supertype:

• AggregateMeasure's supertype list would then be: Entity
• AggregateMeasureCollection's supertype list would then be: Collection; Entity

This can helpfully help people not have to hope through a trail in the reference for finding supertypes, especially when there are two or more in the path up to the root Entity or Event.

We could also explicitly indicate that the property inheritance also works all the way up the inheritance chain... so the Person properties description should say something like (emphasis notes addition):

Person inherits all properties defined by its supertypes Agent and Entity, of which id and type are required.

[joshuamcghee]

@ViktorHaag I've queued up this issue for review on 2/5/2020 call

[joshuamcghee]

Per discussion on the call, this is a nice to have but will be put on hold for the time being.