SALEM – The remaining cases against Blake Colella, now serving a 7-to-10-year prison term for stabbing a Lynn man on Essex Street in 2006, have been continued until Friday.Colella, 25, a Swampscott native, still has a Lynn heroin case, as well as an intimidation of witness cases and a case involving the physical abuse of his live-in girlfriend pending in Superior Court.Those cases have been continued to Friday, Feb. 1 at which time Colella is expected to change his innocent plea to guilty before Judge David A. Lowy.In the meantime, Colella was returned to Concord state prison where he is currently serving his prison term on the stabbing case.