* Netdb StoreJob, FloodfillVerifyStoreJob:

      - Fix bug where reply selector wasn't registered for
        routerinfo stores, so we didn't get stats, and
        we kept retrying. This also prevented verification
        and profile updates for routerinfo stores.
        This bug was introduced 4 years ago by the change to
        store routerinfos directly.
      - Add dbStoreSuccessful() to profile, and have FVSJ
        call it or dbStoreFailed() as appropriate to give
        credit or blame to the floodfill we stored to.
      - Don't let FVSJ verify using the peer we stored to