The $65 million deal in which Roundy's Inc. is selling most of its Twin Cities Rainbow groceries to Supervalu Inc. and Lund Food Holdings still has some loose ends, but a few more are getting tied up as the dust settles. The Star Tribune reports on the fate of the half-dozen Rainbow stores that were sold in the deal, but won't be converted to either Cub Foods or Byerly's stores. Eden Prairie-based Supervalu will own two of those; Edina-based Lund will take one and Jerry's Foods, a longtime Supervalu…