coal: reuse all templates from paper/map by %including the file Before, coal/map simply had all the templates copied and pasted from paper/map file. It was easy to make a change to paper that would get into coal only partially and just sit there until something like 399e970e35c8 happened. Let's remove this duplication from coal/map by using %include to reuse templates from paper/map directly.

help/config: reword committemplate external editor text

help/config: reword committemplate multibyte character text