* added content definition
* added some commenting to the code
* added link_hander() method for extracting links from inlcudes/nav_links.txt file
* this file will be used to contain all the navigation links that will be used ion the site
 used to test link_handler() output
* navigation links are now stored in config.php
* added a bit more commenting
* now requires page_handler.php and removed config requirement to avoid redundancy
* fixed call to function that sets the footer
* added some commenting to relative_root() function
* modified the nav_links array to be more user-friendly
* modified navigation links
* navigation is now solely based on config file
* reset home
* added content to navigation links
* added basic startup code
* now holds navigation_menu() function
* removed previous methods of displaying navigation menu
* commented out the action to create a new file
* fixed page name