Fixed issue 67, conf and Conf folders conflict.

src/IDF/Conf.php

@@ -73,7 +73,7 @@ class IDF_Conf extends Pluf_Model
                                        'type' => 'unique',
                                        ),
                                  );
-        $this->f = new IDF_Conf_DataProxy($this);
+        $this->f = new IDF_Config_DataProxy($this);
     }
 
     function setProject($project)

src/IDF/Config/DataProxy.php

@@ -26,7 +26,7 @@
  * {$conf.f.fieldname} in a template.
  */
 
-class IDF_Conf_DataProxy
+class IDF_Config_DataProxy
 {
     protected $obj = null;