D18601: Rewrite taglib writer to use property interface

[Stefan Brüns]

bruns accepted this revision.
This revision is now accepted and ready to land.

REPOSITORY
  R286 KFileMetaData

BRANCH
  rewrite_taglib2

REVISION DETAIL
  https://phabricator.kde.org/D18601

To: astippich, bruns, mgallien, broulik, cfeck
Cc: kde-frameworks-devel, #baloo, gennad, domson, ashaposhnikov, michaelh, 
astippich, spoorun, ngraham, bruns, abrahams