DisplaySearch analyst Richard Shim is going back on statements he made back in May, when he said the next model of the iPad mini -- expected this fall -- would come equipped with a Retina display and an updated processor. In an added twist, before he made that statement, Shim said the Retina iPad mini would not ship before 2014. Now, Shim writes that Apple will refresh its iPad mini line later this year, but the Retina display will not make an appearance before 2014. Apple is expected to refresh its iPad mini in the second