D23464: Add breeze icons for ROOT cern files

[Alex Debus]

alexde added a reviewer: ngraham.

REPOSITORY
  R266 Breeze Icons

REVISION DETAIL
  https://phabricator.kde.org/D23464

To: alexde, #vdg, ndavis, ngraham
Cc: trickyricky26, ndavis, kde-frameworks-devel, LeGast00n, GB_2, michaelh, 
ngraham, bruns