D21378: Make Breeze Light/Dark use more system colors

[Nathaniel Graham]

ngraham added a reviewer: mart.

REPOSITORY
  R242 Plasma Framework (Library)

REVISION DETAIL
  https://phabricator.kde.org/D21378

To: ndavis, #vdg, #plasma, mart
Cc: lavender, kde-frameworks-devel, michaelh, ngraham, bruns