This removes most of the legacy upstream config madness by not using
weird config files spread all over the place.
This isn't the solution to other config reading fragility issues, but
it does move the whole config back to the central airtime.conf file.
* Fix various small bugs in auto ingestion and tab implementation
* Update TaskManager run conditions to piggyback on API calls - guarantees a certain frequency of requests and greatly reduces chances of lock contention
Lucas Bickel
Duncan Sommerville