Download Support (#298)

* Implemented the ability to download files (series, volume, chapter)

* Added RBS checks to ensure user is either an admin or has download role

* Added the ability to change a users feature RBS. Changed the Role seed to use reflection

API/Interfaces/IVolumeRepository.cs

@@ -13,5 +13,6 @@ namespace API.Interfaces
         Task<IList<MangaFile>> GetFilesForChapter(int chapterId);
         Task<IList<Chapter>> GetChaptersAsync(int volumeId);
         Task<byte[]> GetChapterCoverImageAsync(int chapterId);
+        Task<IList<MangaFile>> GetFilesForVolume(int volumeId);
     }
 }