D25699: [PC3 ToolButton] Have the label take into account complementary color schemes

[Filip Fila]

filipf edited the test plan for this revision.
filipf added a reviewer: Plasma.

REPOSITORY
  R242 Plasma Framework (Library)

REVISION DETAIL
  https://phabricator.kde.org/D25699

To: filipf, #plasma
Cc: kde-frameworks-devel, LeGast00n, GB_2, michaelh, ngraham, bruns