Hints for dolphin-plugins in universe

Hints

• asv-summary-has-dot-suffix
  org.kde.dolphin-plugins.metainfo.xml:49 - Dolphin integration for revision control systems, Dropbox, and disk images.
  The component summary should not end with a dot (`.`).
• asv-developer-info-missing
  org.kde.dolphin-plugins.metainfo.xml -
  This component contains no `developer` element with information about its author.