The NCIS team has made Abby’s temporary replacement permanent. Diona Reasonover, who guest starred in three episodes on CBS’ veteran crime drama NCIS last season, has been promoted to a series regular for the upcoming 16th season. Reasonover was first introduced as Ducky’s (David McCallum) new graduate assistant Kasie Hines in Episode 17 and was then brought in by NCIS boss Gibbs (Mark Harmon) in the aftermath of Abby's (Pauley Perrette) departure as a forensic scientist…