Refactoring feed download + favicon cache

baRSS/Core Data/Feed+Ext.h

@@ -25,16 +25,16 @@
 @class RSParsedFeed;
 
 @interface Feed (Ext)
+@property (readonly) BOOL hasIcon;
 @property (nonnull, readonly) NSImage* iconImage16;
 
 // Generator methods / Feed update
 + (instancetype)newFeedAndMetaInContext:(NSManagedObjectContext*)context;
-+ (instancetype)appendToRootWithDefaultIntervalInContext:(NSManagedObjectContext*)moc;
 - (void)updateWithRSS:(RSParsedFeed*)obj postUnreadCountChange:(BOOL)flag;
-- (void)calculateAndSetIndexPathString;
 - (NSMenuItem*)newMenuItem;
+// Getter & Setter
+- (void)calculateAndSetIndexPathString;
+- (void)setNewIcon:(NSURL*)location;
 // Article properties
 - (NSArray<FeedArticle*>*)sortedArticles;
-// Icon
-- (BOOL)setIconImage:(NSImage*)img;
 @end