What has changed (small changes) Overview Project C

Posted by ProjectC 
Concerning Overview Project C version 5.51

- Page 9
Added note 4 Our Galactic Environment - http://astro.uchicago.edu/~frisch/

- Page 11
Corrected note 4: ..."Within as well as around us."

- Page 22
Note 1, removed the old url (http://www.rischard.net) and replaced it with two new urls: High Noon and 2007 Conference