BOSTON – If you still weren’t quite sure how much the UFC believes in Irish prospect Conor McGregor , consider how Thursday’s pre-UFC Fight Night 26 press conference opened: UFC President Dana White directing the “Notorious” featherweight to unveil a custom-designed poster of himself. “I literally sent them to every Irish bar in Boston, New York, Kansas City, San Francisco,” White told MMAjunkie.com (www.mmajunkie.com) after the press conference ended. “You can’t walk in a place in Dublin where there isn’t a poster of him down there