foaf files need reorganizing

[kuzeko]

The exiobase foaf file and the ystafdb foaf files have duplicate information, they both define bfoaf:bonsai a prov:Agent,

Also the exiobase foaf file defines the <http://rdf.bonsai.uno/foaf> a dtype:Dataset ; instead of the <http://rdf.bonsai.uno/foaf/exiobase> a dtype:Dataset ; (or something similar)

A bonsai global foaf file is probably missing, while the two dataset specific should only contain information that is, indeed, dataset-specific

[kuzeko]

Also in all cases dc:publisher "bonsai.uno" ;
should it be replaced with link to bfoaf:bonsai instead of a string

[kuzeko]

This is a good first issue, if someone else wants to fix, I am sure me and @IKnowLogic can double check the pull request :)