D18563: Don't allow '/' in new directory's name

[Shubham]

shubham edited the test plan for this revision.

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D18563

To: shubham, ngraham, #frameworks, #dolphin
Cc: kde-frameworks-devel, michaelh, ngraham, bruns