po: update po/el/drupal-civicrm.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/el/grant.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/el/mailing.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/el/pcp.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/el/queue.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/hu/mailing.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/uk/common-base.po (pulled from Transifex.net by CiviCRM l10n maintainer)