rework television media (#26)

* rework television media

* refactor poster saving

* television and movie views are working again

* remove dead code

* use paper styling for all cards

* add show poster, plot to seasons page

* remove missing shows; cleanup interfaces

* fix split show display (same show in different folders/sources)

* add placeholder "add to schedule" button

* no more duplicate television shows, even with the same show split across sources

* stop releasing CLI for now

* use season number as season placeholder

* add television shows to collections

* add television seasons to collections

* add television episodes to collections

* add movies to collections

* remove movies, shows, seasons, episodes from collections

* fix page width and menus

* fix buffer size defaults

* fix chronological episode ordering

* allow deleting media collections

* don't get stuck building a playout with an empty collection

* schedule editing and playouts work again

* minor cleanup

* remove dead code

* fix bugs with viewing movies as they are loading

* add scanner tests; support nested movie folders

* update collections docs

* rearrange order of schedule items

* add show and season to schedule

* delete schedules that use legacy collections, reset all posters

* move cleanup to new migration

* load fallback metadata when nfo fails; don't require metadata in ui

* update readme and screenshots

ErsatzTV.Application/ProgramSchedules/ProgramScheduleItemMultipleViewModel.cs

@@ -1,5 +1,6 @@
 using System;
 using ErsatzTV.Application.MediaCollections;
+using ErsatzTV.Application.Television;
 using ErsatzTV.Core.Domain;
 
 namespace ErsatzTV.Application.ProgramSchedules
@@ -11,14 +12,20 @@ namespace ErsatzTV.Application.ProgramSchedules
             int index,
             StartType startType,
             TimeSpan? startTime,
+            ProgramScheduleItemCollectionType collectionType,
             MediaCollectionViewModel mediaCollection,
+            TelevisionShowViewModel televisionShow,
+            TelevisionSeasonViewModel televisionSeason,
             int count) : base(
             id,
             index,
             startType,
             startTime,
             PlayoutMode.Multiple,
-            mediaCollection) =>
+            collectionType,
+            mediaCollection,
+            televisionShow,
+            televisionSeason) =>
             Count = count;
 
         public int Count { get; }