CZ privacy policy translation
updated french translations
Don't memoize a SiteSetting in the DiscourseHub module because that breaks multisite support
Fix onebox loading on every keystroke after a request fails.
Merge pull request #369 from kubabrecka/cz_privacy

CZ privacy policy translation
Merge pull request #370 from ZogStriP/keep-french-l10n-up-to-date

updated french translations