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-vuln-cve2012-1823.nse

@@ -47,7 +47,7 @@ TODO:
 -- @args http-vuln-cve2012-1823.uri URI. Default: /index.php
 ---
 
-author = "Paulino Calderon"
+author = "Paulino Calderon <calderon@websec.mx>"
 license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
 categories = {"exploit","vuln","intrusive"}