D8243: Implement support for categories on KfilesPlacesView

[Renato Oliveira Filho]

renatoo marked an inline comment as done.

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D8243

To: renatoo, #frameworks, dfaure, ervin
Cc: mlaurent, ervin, anthonyfieroni, cfeck, #frameworks