Hints for feedreader in universe

Hints

• asv-screenshot-media-url-not-secure
  org.gnome.FeedReader.appdata.xml:145 - http://jangernert.github.io/FeedReader/images/gallery/Screenshot1.png
  Consider using a secure (HTTPS) URL to reference this screenshot image or video.
• asv-cid-contains-uppercase-letter
  org.gnome.FeedReader.appdata.xml:3 - org.gnome.FeedReader
  The component ID should only contain lowercase letters.