Define ControllerDocument class.

[msporny]

This PR is an attempt to address issue #322 by defining a ControllerDocument class.

/cc @filip26

[iherman]

The PR is incomplete, because the diagram must be updated as well and. It is also a question whether the domain of the "controller" property shouldn't be specified as a union (ie, logical 'or') for a controller document class and the verification method class.

@msporny I think I should take it over, because I have more practice in creating/changing the diagram. I will clone your branch and take it from there if you are fine with it.

[msporny]

It is also a question whether the domain of the "controller" property shouldn't be specified as a union (ie, logical 'or') for a controller document class and the verification method class.

I don't think we should limit the domain just yet... controller might make sense in many more use cases.

@msporny I think I should take it over, because I have more practice in creating/changing the diagram. I will clone your branch and take it from there if you are fine with it.

Yes, please take it over @iherman ... and thank you! :)

[iherman]

It is also a question whether the domain of the "controller" property shouldn't be specified as a union (ie, logical 'or') for a controller document class and the verification method class.

I don't think we should limit the domain just yet... controller might make sense in many more use cases.

@msporny I think I should take it over, because I have more practice in creating/changing the diagram. I will clone your branch and take it from there if you are fine with it.

Yes, please take it over @iherman ... and thank you! :)

Done.

[TallTed]

The redundant department of redundancy department thanks you for your support.

[msporny]

Editorial, multiple reviews, changes requested and made, no objections, merging.