[Code Style]Clean up libraries/joomla. Fixes #4587. Fixes #4586. Fixes #4585. Fixes #4583. Fixes #4581. Fixes #4572. Fixes #4568

[Code Style]Clean up libraries/joomla/updater

[Code Style]Clean up libraries/joomla/twitter

[Code Style]Clean up libraries/joomla/table

[Code Style]Clean up libraries/joomla/string

[Code Style]Clean up libraries/joomla/filter

[Code Style]Clean up libraries/joomla/image