Playback Options: Shuffle, Continuous Play and Continuous [context] Play - all part of the same toggle now
 * this includes a new playback optins (Continuous [context] Play) -- need a better name
 * continuous play: will use next episode if available
 * continuous [context] play: uses the existing context for the next videos
 * if AutoEpisodeAdvance is disabled: continuous play reverts original [context] play