D10867: [3/5] Add support to set read only from scripts

[Albert Astals Cid]

aacid accepted this revision.
This revision is now accepted and ready to land.

REPOSITORY
  R223 Okular

REVISION DETAIL
  https://phabricator.kde.org/D10867

To: aheinecke, #okular, aacid
Cc: aacid, michaelweghorn, ngraham