Merge pull request #27 from chrisprom/master

Finalize json for users and repositories; add batch start to enums and fix element removal in enums/usergroups
Merge pull request #28 from chrisprom/master

add keys to json for enums
Fix locationentry on accessions json
Merge pull request #29 from chrisprom/master

fix location entry on accessions JSON
Merge pull request #30 from mindking/master

Remove Fields Various Objects Subject,Collection,Classification, Creators, Enum
cleanup collections field removal
cleanup creators json
cleanup creators json
restore nesting of parent subjects
Accession, CollectionContent ,Collection ,DigitalContent