CC-1799 Put Airtime Storage into a Human Readable File Naming Convention

adding music dirs concept to Airtime. New cc_music_dirs table/class.

airtime_mvc/application/forms/Preferences.php

@@ -11,7 +11,7 @@ class Application_Form_Preferences extends Zend_Form
         $this->setDecorators(array(
             array('ViewScript', array('viewScript' => 'form/preferences.phtml'))
         ));
-        
+
         $general_pref = new Application_Form_GeneralPreferences();
         $this->addSubForm($general_pref, 'preferences_general');
 
@@ -25,6 +25,6 @@ class Application_Form_Preferences extends Zend_Form
             'decorators' => array(
                 'ViewHelper'
             )
-        ));            
+        ));
     }
 }