Apple didn’t send out invitations for an iPad mini launch event on Oct. 10, as had been expected, but that’s been barely a hiccup in the rumor mill, reports the Washington Post. Friday’s wave of speculation comes courtesy of All Things Digital’s John Paczkowski, who suspects that Apple’s planning a more intimate launch event for later this month. Citing sources “familiar with Apple’s plans,” he said that Apple watchers should expect an event on Oct. 23…