Rename author 'Philip Woodworth' to 'Philip L. Woodworth'

This author is currently
"Review Editor for the IPCC Fifth Assessment Report" [1]
and "has been a leading author for the IPCC" [2].

[1]: https://noc.ac.uk/people/plw
[2]: http://www.unesco.org/science/doc/ioc/cvWoodworth.pdf

The name 'Philip L. Woodworth' appears in AR5.