Jay V. Hall of Stray Dog Theatre, passed away Tuesday, July 5 in an apparent suicide.Hall's official job title was production manager, but those two words do not do justice to how essential he was to both Stray Dog and the St. Louis theater scene. Between handling PR, selling tickets, drawing up contracts, networking to find talent, laundering costumes, acquiring supplies, helping build and strike sets, and making sure every person involved in a production knew where to be and when, Hall did it all.…