Hints for gnome-clocks in main

Hints

• asv-url-not-secure
  org.gnome.clocks.metainfo.xml:875 - http://www.gnome.org/friends/
  Consider using a secure (HTTPS) URL for this web link.
• asv-summary-has-dot-suffix
  org.gnome.clocks.metainfo.xml:145 - ساعات لتوقيتات العالم، مع منبه ومُؤقّت وساعة إيقاف.
  The component summary should not end with a dot (`.`).
• asv-summary-has-dot-suffix
  org.gnome.clocks.metainfo.xml:116 - Klukkur á ýmsum stöðum, vekjaraklukkur, skeiðklukka og niðurteljari.
  The component summary should not end with a dot (`.`).
• asv-nonstandard-gnome-extension
  org.gnome.clocks.metainfo.xml:565 - 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.