D13805: Present error dialog when user tries to create directory named "." or ".."

[Elvis Angelaccio]

elvisangelaccio added a reviewer: dfaure.

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D13805

To: tmarshall, #dolphin, #frameworks, ngraham, dfaure
Cc: elvisangelaccio, dfaure, tmarshall, bruns, ngraham, kde-frameworks-devel, 
michaelh, spoorun, navarromorales, isidorov, firef, andrebarros, emmanuelp