Make heading translatable; Improve indentation; Switch to heredoc for code html blocks;
Make heading translatable; Improve indentation; Switch to heredoc for code html blocks;

bramley/phplist3,phpList/phplist3,bramley/phplist3,bramley/phplist3,phpList/phplist3,bramley/phplist3,phpList/phplist3,phpList/phplist3,bramley/phplist3,phpList/phplist3