D27396: support icon.width/height

[Marco Martin]

mart edited the test plan for this revision.

REPOSITORY
  R242 Plasma Framework (Library)

REVISION DETAIL
  https://phabricator.kde.org/D27396

To: mart, #plasma
Cc: broulik, kde-frameworks-devel, LeGast00n, cblack, GB_2, michaelh, ngraham, 
bruns