D26650: Use KService to look for Filelight

[Nathaniel Graham]

ngraham abandoned this revision.

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D26650

To: ngraham, broulik, shubham
Cc: sitter, meven, anthonyfieroni, kde-frameworks-devel, LeGast00n, cblack, 
michaelh, ngraham, bruns