D18826: Rewrite the taglib extractor to use the generic PropertyMap interface

[Alexander Stippich]

astippich edited the test plan for this revision.

REPOSITORY
  R286 KFileMetaData

REVISION DETAIL
  https://phabricator.kde.org/D18826

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