D21202: Added basic JavaScript functions to support animated PDF

[Joao Oliveira]

joaonetto added reviewers: aacid, Okular.

REPOSITORY
  R223 Okular

REVISION DETAIL
  https://phabricator.kde.org/D21202

To: joaonetto, aacid, #okular
Cc: okular-devel, joaonetto, tfella, ngraham, darcyshen, aacid