Merge pull request #35 from chrisprom/master

cleanup accessions, content, and digital content json
Accession ,Content, DigitalContent

accessions -> add primary creator like on collections
collection content -> pull in subject and creator ID
digital content -> add primary creator like on collections
Merge pull request #36 from mindking/master

Accession ,Content, DigitalContent
final cleaup and formatting json for colletions, content, accessions