new resumevideos tag

This would add "Resume Watching" functionality to the homescreen...

The recommendedmovies tag retrieves only the resumable movies, which is the desired result.
But the recommendedepisodes tag retrieves "tv shows in progress"...these are not only episodes you have started watching and haven't finished, but all tv shows with remaining unwatched episodes (this is great for general recommendation purposes but not resume purposes).

Similarly to the recentvideos tag, the resumevideos tag would provide a consolidated view of resumable content, to easily continue with movies and episodes where you have left off previously.