Hints for lifeograph in main

Hints

• asv-screenshot-media-url-not-secure
  net.sourceforge.Lifeograph.metainfo.xml:90 - http://lifeograph.sourceforge.net/w/images/b/b4/Lifeograph-1.6.0-tag.png
  Consider using a secure (HTTPS) URL to reference this screenshot image or video.
• asv-screenshot-media-url-not-secure
  net.sourceforge.Lifeograph.metainfo.xml:80 - http://lifeograph.sourceforge.net/w/images/8/82/Lifeograph-1.6.0-edit.png
  Consider using a secure (HTTPS) URL to reference this screenshot image or video.
• asv-nonstandard-gnome-extension
  net.sourceforge.Lifeograph.metainfo.xml:125 - kudos
  This tag is a GNOME-specific extension to AppStream and not part of the official specification. Do not expect it to work in all implementations and in all software centers.
• asv-screenshot-media-url-not-secure
  net.sourceforge.Lifeograph.metainfo.xml:85 - http://lifeograph.sourceforge.net/w/images/a/a8/Lifeograph-1.6.0-dark.png
  Consider using a secure (HTTPS) URL to reference this screenshot image or video.
• asv-url-not-secure
  net.sourceforge.Lifeograph.metainfo.xml:93 - http://lifeograph.sourceforge.net
  Consider using a secure (HTTPS) URL for this web link.