Uses #169, but also works on CPTs.
Fixes #164, fixes #169.
Add endpoint for post revisions; allow post revisions in JSON even th…
…ough they aren't publically queryable [See #164]
Add view-revsion context to prepare_post(); exclude version-history a…
…nd replies links from view-revision context; remove json response and just return struct.
Merge branch 'master' into feature/revisions
Register revisions endpoint for CPTs