Replace HTML5 obsolete center element with CSS.
Created by: cirosantilli
Fix #6901 (closed). Would generate invalid HTML5.
git ls-files | xargs perl -pi -e 's/%center/.center/'
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Created by: cirosantilli
Fix #6901 (closed). Would generate invalid HTML5.
git ls-files | xargs perl -pi -e 's/%center/.center/'