Avoid permissions clashes with feed fetching when getting metadata for the feed vs th regular update of its contents.
Start moving across to the new Fat-Free framework (version 3.0.5).  There is one alteration (see https://github.com/bcosca/fatfree/issues/291).  This move has exposed quite a lot of ick in Doormat.
Fix fat-free's reroute() and submit upstream to avoid duplication functionality.
Refactor code into more classes and out of the routing logic.
Start using new Feeds class, and fix up post editing to use the new editing CSS.
Add initial unprocessed-venues page.
Update feed fetching to new F3
Finish updating to new Fat-Free.
Update to Fat-Free 3.0.6, which includes the two fixes previously committed here.