D27039: [KStyle] Set the color of KMessageWidgets to the correct one from the current color scheme

[David Redondo]

davidre added a dependency: D27038: [KMessageWidget] Allow the style to change 
our palette.

REPOSITORY
  R252 Framework Integration

REVISION DETAIL
  https://phabricator.kde.org/D27039

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