Refactored to have /public

* index.php, css, images, js now in /public
* config option added in index.php to allow setting the views folder location
* new APP_PATH paths.php setting
Restored the original course page

Moved the current course_page to course_page_wip
Merge pull request #41 from unikent/refactor/deploy-site

Added /public to of-course root