Hints for ngraph-gtk in main

Hints

• asv-nonstandard-gnome-extension
  com.github.htrb.ngraph-gtk.metainfo.xml:25 - 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-invalid-child-tag-name
  com.github.htrb.ngraph-gtk.metainfo.xml:141 - Found: replace - Allowed: release
  Tags of this name are not permitted in this section.
• asv-invalid-child-tag-name
  com.github.htrb.ngraph-gtk.metainfo.xml:142 - Found: replace - Allowed: release
  Tags of this name are not permitted in this section.
• asv-invalid-child-tag-name
  com.github.htrb.ngraph-gtk.metainfo.xml:143 - Found: replace - Allowed: release
  Tags of this name are not permitted in this section.
• asv-invalid-child-tag-name
  com.github.htrb.ngraph-gtk.metainfo.xml:144 - Found: replace - Allowed: release
  Tags of this name are not permitted in this section.
• asv-invalid-child-tag-name
  com.github.htrb.ngraph-gtk.metainfo.xml:145 - Found: replace - Allowed: release
  Tags of this name are not permitted in this section.
• asv-developer-info-missing
  com.github.htrb.ngraph-gtk.metainfo.xml -
  This component contains no `developer` element with information about its author.