Cleanup overseer.{status,worker}

[andrewberls]

• Use Datomic collection binds [?e ...] and avoid map first clutter
• Use set consistently
• Docs: overseer.worker is public!

[elliot42]

:+1:

[andrewberls]

Gah I just realized I blew it here, worker is indeed 'private' since overseer.api contains an alias to worker/start! -_-

[elliot42]

(What do you mean by public/private in this case? I assume we're not talking Java public/private or..eh?)

[andrewberls]

Yeah I mean ^:no-doc private, hence air quotes