Fix misspelling: 'Corrine Le Quéré' -> 'Corinne Le Quéré'

Reference:
http://www.tyndall.ac.uk/people/corinne-le-quere
Replace double space with single space in author names
Sort country groups by name when total is the same

The results were only partially sorted, which resulted
in unwanted differences from one export to the next.
Remove extra space after hyphen from author name