[api] Drop /media endpoint, accessing Media via /works/{workID}/media instead.
[api] Pass all ID references in Work as objects with URI included
[api] Change uri to href, fix JSON syntax in Work example, return 200 with Work on delete.
[api] Updated Media and Annotation to use hrefs and to only use collections to modify the lists.
[api] Update User to have href too
[api] Updated with fields and include params, and update Media to the latest data model
[api] Param include should override fields, doing otherwise is just lazy and would penalise clients.
Merge pull request #39 from petli/master

API updates related to updated data model and endpoint improvements