Added tests for the access rights messages when there are no attachments

selected - passing

empty array, whether there was a license in the source or not.

which turned up some dumb typos

are more specific than 'Thing' and that they are in the @context.
Tests aren't passing.

Tests are passing.

funding body which was an empty object -- this was killing data publications
because ReDBox puts them in when the user hasn't selected one. Fixed the
bug.

the other helper functions, all tests passing

the dataset, which was leaving the ids empty

they are testing for are not defined on the input data pub

and passing

metadata values

in a before() clause

dateCreated defaulting to now

the agents of these who weren't already listed as creators