D22510: Added dialog to set execute permission for executable file when trying to run it.

[Nathaniel Graham]

ngraham added reviewers: dfaure, cfeck, pino.

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D22510

To: mdlubakowski, #frameworks, dfaure, cfeck, pino
Cc: broulik, ngraham, probono, kde-frameworks-devel, LeGast00n, GB_2, michaelh, 
bruns