Hashstore client bug fixes

[doulikecookiedough]

@jeanetteclark is assisting with testing HashStore/HashStore client. With the recent changes to storing and retrieving metadata, the client does not appear to fully adhere to all the changes.

• Bug 1

  • Retrieving a metadata document for a given pid returns metadata document not found. Upon further investigation, it looks like the document name stored is different from what is calculated. Investigate the cause.

• Bug 2

  • Refs files are not stored in the new directory, is still stored in refs/cid and refs/pid instead of cids/pids.

[doulikecookiedough]

This has been completed via Feature-94: Client Bug Fixes

Note - this branch name is incorrect. It should have been bug-94-hashstore-client.