Method: AJAX handler to add or remove a topic from a user’s favorites

Method: AJAX handler to Subscribe/Unsubscribe a user from a topic

Method: Enqueue the required JavaScript files

Method: Load localizations for topic script

Method: Inserts HTML at the bottom of the main content area to be compatible with the Twenty Twelve theme.

Method: Load the theme CSS

Method: Inserts HTML at the top of the main content area to be compatible with the Twenty Twelve theme.