D5111: Provide demo/preview for checkable menu items and colour scheme comparison

[René J . V . Bertin]

rjvbb removed a project: Plasma.
rjvbb removed a subscriber: plasma-devel.

REPOSITORY
  R113 Oxygen Theme

REVISION DETAIL
  https://phabricator.kde.org/D5111

To: rjvbb, hpereiradacosta, jriddell, anthonyfieroni, zhigalin
Cc: kde-mac, #frameworks