A stray "machineid" was added, without a type definition,
so the config file -- which doesn't mention machineid at all
-- was considered invalid. Drop it because the key isn't mentioned
anywhere else.
- These have **not** been fixed for validation, so the schema's themselves
will fail to load. This is a consequence of variations in JSON-Schema
representations through various drafts. Fixing the schemata is
fairly straightforward.
This gives us 19 new tests, all of which fail.
