Reassociate donations that came in through the PayPal audit parser with their contribution_tracking entry.
The contribution tracking ID is available in the TRR files. Reprocess donations since Aug 28, when the IPN listener was turned off, cos that's the biggest data hole.
Compile the list of records to repair using tools:sandbox/adamw/201509_paypal_audit, over TRR files from 20150828 through 20150918.