add current known foriegn key fixes possibly required post upgrading
add current known foriegn key fixes possibly required post upgrading

friendica/friendica,tobiasd/friendica,annando/friendica,friendica/friendica,fabrixxm/friendica,tobiasd/friendica,tobiasd/friendica,annando/friendica,annando/friendica,friendica/friendica,fabrixxm/friendica,fabrixxm/friendica,annando/friendica,friendica/friendica,tobiasd/friendica,fabrixxm/friendica,annando/friendica,tobiasd/friendica,friendica/friendica,fabrixxm/friendica