D7130: KMoreTools: Update and fix desktopfiles

[Nathaniel Graham]

ngraham added reviewers: KDE Applications, davidedmundson.

REPOSITORY
  R304 KNewStuff

REVISION DETAIL
  https://phabricator.kde.org/D7130

To: gregormi, ltoscano, elvisangelaccio, #kde_applications, davidedmundson
Cc: ltoscano, #frameworks