* [x] Stalk model change (1)
* [x] Stalk filtering change (1)
* [x] Stalk factory change (2)
* [x] Migration for the stalk defaults (2)
* [ ] Startup channel-join logic (1)
* [ ] Channel join/leave logic on stalk definition / edit (6)
* Need to figure out how to convince Castle to give us a //Wikimedia// `IIrcClient` object
* [ ] Stalk command changes to allow changes to stalks (1)
* [x] Stalk templates (?)