Hints for lifeograph in main

Hints

• asv-url-not-secure
  <code>net.sourceforge.Lifeograph.metainfo.xml:119</code> - <em>http://lifeograph.sourceforge.net</em><br/>Consider using a secure (HTTPS) URL for this web link.
• asv-description-first-word-not-capitalized
  <code>net.sourceforge.Lifeograph.metainfo.xml:232</code> - <em></em><br/>The description line does not start with a capitalized word, project name or number.
• asv-nonstandard-gnome-extension
  <code>net.sourceforge.Lifeograph.metainfo.xml:248</code> - <em>kudos</em><br/>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.