D11147: Bump date+releaseinfo for Gwenview docbook

[Henrik Fehlauer]

rkflx commandeered this revision.
rkflx edited reviewers, added: lueck; removed: rkflx.

REPOSITORY
  R260 Gwenview

REVISION DETAIL
  https://phabricator.kde.org/D11147

To: rkflx, #gwenview, #documentation, ngraham, lueck
Cc: ltoscano, kde-doc-english