D14696: Add certificate viewer

[Chinmoy Ranjan Pradhan]

chinmoyr added a dependent revision: D14734: Add revision viewer.

REPOSITORY
  R223 Okular

REVISION DETAIL
  https://phabricator.kde.org/D14696

To: chinmoyr, aacid, ngraham
Cc: okular-devel, ngraham, aacid