D7087: WIP: Add menu with "Copy to Clipboard" to the About System module

[Luigi Toscano]

ltoscano removed a reviewer: KDE Applications.

REPOSITORY
  R102 KInfoCenter

REVISION DETAIL
  https://phabricator.kde.org/D7087

To: gregormi, ngraham
Cc: sebas, elvisangelaccio, cfeck, plasma-devel, ZrenBot, progwolff, 
lesliezhai, ali-mohamed, jensreuterberg, abetts, apol, mart