D19978: Allow to set custom hints for notifications

[Nicolas Fella]

nicolasfella edited the summary of this revision.

REPOSITORY
  R289 KNotifications

REVISION DETAIL
  https://phabricator.kde.org/D19978

To: nicolasfella, broulik
Cc: vkrause, kde-frameworks-devel, michaelh, ngraham, bruns