Normalize script author fields

Clean up some typos and differences. Most have been normalized to
whatever form of the name occurred in the largest number of scripts.
Paulino was contacted directly and requested his email be added to all
of his credits.

scripts/http-wordpress-enum.nse

@@ -34,7 +34,7 @@ Original advisory:
 -- @args http-wordpress-enum.out If set it saves the username list in this file.
 ---
 
-author = "Paulino Calderon"
+author = "Paulino Calderon <calderon@websec.mx>"
 license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
 categories = {"auth", "intrusive", "vuln"}