fix bust spec
Revert "BUGFIX: raise message bus messages after data is committed"

This reverts commit d2926424d65dbf21fae1814eb67a7f2db9294f5b.
New field: Whether or not to include an expandable first post for
embedded content.
Interface for expanding OP contents
Remote fetching of blog contents
Adds better reusable error message support. Added to fetching remote
posts. /cc @riking