added identifier for IssueDetailViewController in storyboard
added identifier for IssueDetailViewController in storyboard

nikrad/ios,nikrad/ios,5calls/ios,bengottlieb/ios,bengottlieb/ios,bengottlieb/ios,nikrad/ios,5calls/ios,bengottlieb/ios,nikrad/ios,tomburns/ios,5calls/ios,tomburns/ios,tomburns/ios,tomburns/ios,5calls/ios