Use history file for process_orphans.sh
Review Request #7182 - Created Sept. 11, 2016 and updated
at the end of each run of process_orphans.sh the content of process_orphans.txt is moved/appended to process_orphans_history.txt
before the first use we have to rename process_orphans.txt to process_orphans_history.txt and clear process_orphans.txt
rationale see http://marc.info/?t=147318988600005&r=1&w=2
I'm not sure this is the long term direction. I think that if we want to kill process_orphans, it should be done completely (i.e. replace with a script which does the move and does need all this).
But no strong opposition on this, in the end.