D7446: Add a Recent Documents places item to Dolphin and file pickers by default

[Nathaniel Graham]

ngraham added reviewers: dfaure, emmanuelp.

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D7446

To: ngraham, #dolphin, #kde_applications, broulik, elvisangelaccio, dfaure, 
emmanuelp
Cc: #frameworks, broulik, elvisangelaccio, dfaure, davidedmundson, ltoscano, 
#konqueror, navarromorales, firef, andrebarros, emmanuelp