D18027: Use the nicer K_PLUGIN_CLASS_WITH_JSON

[Albert Astals Cid]

aacid closed this revision.

REPOSITORY
  R120 Plasma Workspace

REVISION DETAIL
  https://phabricator.kde.org/D18027

To: aacid, apol
Cc: apol, plasma-devel, kvanton, jraleigh, GB_2, ragreen, Pitel, ZrenBot, 
lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, mart