• episodes monitoring are enabled only on screens FeedDetails, Queues, Search and Facets
• fixed feed monitoring crash on first install
• Episode can be assigned with a list of related episodes
• from multi-select menu of episodes lists, selected episodes can be set mutually related
• related episodes (if any) can be shown/unrelated in dialog from EpisodeInfo and PlayerDetailed screens
• when start playing/streaming an episode from list
  • duplicate episodes are searched in all feeds
  • if found, all duplicate episodes are mutually set to be related
  • all duplicate episodes other than the current one are set to Ignored with a comment "duplicate"
• some minor code restructuring