D21782: Add a warning dialog with details, continue, and cancel button

[Chinmoy Ranjan Pradhan]

chinmoyr edited the summary of this revision.

REPOSITORY
  R236 KWidgetsAddons

REVISION DETAIL
  https://phabricator.kde.org/D21782

To: chinmoyr, #vdg, #frameworks, dfaure
Cc: kde-frameworks-devel, LeGast00n, michaelh, ngraham, bruns