Allow the migration to seamlessly run during normal operations. Small fixes, cleanups and refactoring.
migration: superfluous field.
Migration: deal with the global counters scope thing.
Update constraints on authors.
Migration: fix getting the feeds.
migration: superfluous field.
migration: update author migration code to match reldb schema.
migration: typo fix.
migration: logger fixes.
migration: typo fix.
migration: small oops.
migration: mongodb article has no `created_by` field.
Make URL fields longer, google trashes them all. (+ migration and previous forgotten ones)
migration: mini-oops.
Stop migration if we cannot find a matching internal feed. we HAD TO find one.
Try to tackle the double __root__ folder problem.
migration: avoid looping (or crash) creating root folders. Cf. http://dev.1flow.net/development/1flow-dev/group/44879/
migration: oooooops in folders.
migration: variable rename, just to be sure.
migration: handle folder mess (in my head).