Notes

• DocumentRoot -> webroot
• Rooting -> change default "http://host/index.php/controller/action/" to "http://host/controller/action/" with .htaccess in webroot
• change a default system directory to libraries/codeigniter.
• change application/logs to temporary/logs .
• add HOMEPATH,TEMPORARYPATH in webroot/index.php. -- HOMEPATH -> / -- TEMPORARYPATH -> HOMEPATH . 'temporary/'.
• RESTful libraries in application/libraries.You can see how to use it in application/controllers/api/example.php.