Marking all repo notifications as read should make the "mark all read" button disappear too. github.com/shurcooL/notificationsapp#10

Currently, that doesn't happen, which is slightly visually unpleasant and inconsistent:

Instead, when the last individual notification is read, the entire repository section should get marked as read:

Fixed in https://github.com/shurcooL/notificationsapp/commit/97eead91731746ae578504f06b6440c0efa9066c.