po: update po/ca/common-base.po (pulled from Transifex.net by CiviCRM l10n maintainer)
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/event.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/fr_CA/common-base.po (pulled from Transifex.net by CiviCRM l10n maintainer)