Showtime is amping up its 2016 For Your Consideration Emmy Award campaign with a call to vote, offering TV Academy members the ability to access its streaming service for free through June 30. With their VIP log-in credentials, Emmy voters will have unlimited on-demand access to every season of Showtime original series, along with movies, documentary and sports programming, as well as the network's live East and West Coast feeds. In addition, the network says its…