Mark Burnett bfe930bb8c Add concept of buckets
This enables more declarative delivery of documents from multiple
owners.

- Updates design document:
  - Removes Tombstone concept from the API.
  - Adds and descritbes Bucket concept.
  - Removes planned DELETE endpoints.
  - Adds "purge" endpoint to simplify functional testing.
- Adds functional tests for document crud using buckets.

Change-Id: I7987deb417d34fbd80b888e41e52fabaf330d544
2017-08-23 09:25:27 -05:00
..
2017-08-23 09:25:27 -05:00