It was nearly a year ago that hackers first got access to Target customers' credit card data, but the retailer says the initial wave of anger has largely subsided. "As we look across the guest surveys ... [they] moved past that several months ago," Target Corp. Chief Financial Officer John Mulligan said Wednesday in a conference call with reporters. Minneapolis-based Target (NYSE: TGT) has taken care of a "vast majority" of the expenses related to the breach, he said. RELATED: Target's early Christmas…