Some style changes for omitted posts, also mobile style.
Remove unused translations
Don't allow filtering by user in summary mode and vice versa. It's just confusing.
In populate:posts tool, catch post validation errors and retry
Allow category to auto-close topics in X hours instead of days. FIX: the system message that says a topic was automatically closed was only counting in days.
Don't debouce `afterRender`, debounce the preview refreshing mechanism.