Hints for calligrastage in universe

Hints

• asv-url-not-secure
  org.kde.calligrastage.appdata.xml:190 - http://www.calligra.org/stage/
  Consider using a secure (HTTPS) URL for this web link.
• asv-screenshot-media-url-not-secure
  org.kde.calligrastage.appdata.xml:195 - http://kde.org/images/screenshots/stage.png
  Consider using a secure (HTTPS) URL to reference this screenshot image or video.
• asv-url-not-secure
  org.kde.calligrastage.appdata.xml:192 - http://docs.kde.org/development/en/calligra/stage/index.html
  Consider using a secure (HTTPS) URL for this web link.