D28802: Add standard shortcut for "Show/Hide Hidden Files"

[Nathaniel Graham]

ngraham edited the test plan for this revision.

REPOSITORY
  R237 KConfig

REVISION DETAIL
  https://phabricator.kde.org/D28802

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