D7380: KCD: use modern logging classes throughout

[René J . V . Bertin]

rjvbb set the repository for this revision to R349 KCompactDisc Library.

REPOSITORY
  R349 KCompactDisc Library

REVISION DETAIL
  https://phabricator.kde.org/D7380

To: rjvbb, #frameworks, davidedmundson, ltoscano
Cc: dfaure, ltoscano, davidedmundson