Bug#1136984: RFS: trader/7.21-1 -- simple game of interstellar trading

[Tobias Frost]

Control: unarchive 1062001
Control: reopen 1062001
Control: forcemerge 1062001 1136984
Control: severity 1062001 important

(please don't file new RFS when the old one has not been spoonsored;
instead, reopen the old bug and continue there.)