Rename author 'Richard Jones' to 'Richard G. Jones'

This author is "Lead author of the Regional Context chapter (21)
and the Summary for Policy Makers of the IPCC Working Group 2
contribution to Assessment Report Five focusing on Impacts,
Adaptation and Vulnerability."

"He was a lead author of the regional climate information chapters
of IPCC Assessment Reports Three (Chapter 10) and Four (Chapter 11)."

http://www.metoffice.gov.uk/research/people/richard-jones

This name appears in AR5.