D13484: Show signature validation summary as popup

[Chinmoy Ranjan Pradhan]

chinmoyr removed a dependency: D13366: Add SignatureEdit widget for 
FormFieldSignature.

REPOSITORY
  R223 Okular

REVISION DETAIL
  https://phabricator.kde.org/D13484

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