po: update po/de/common-base.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/de/contribute.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/de/drupal-civicrm.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/de/pledge.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/nb/case.po (pulled from Transifex.net by CiviCRM l10n maintainer)