Some minor hygiene, not exposing some highly internal detail. The list
of keywords ALL expands to is duplicated rather than acessible via a
method, but:
1. this is highly likely never an interesting list of applications
2. it's really only useful for testing **AND** is unlikely to change
3. unclutters the header files slightly
This object turns out to be the actual configuration object, not a
mediator state to obtain a configuration. It is therefore renamed to
reflect intent and behaviour.
