CC-3224: "On-the-fly" stream rebroadcasting

- removed "Allow override" checkbox from show live stream section.
- removed "auto enable live stream" checkbox from stream setting page.
- implemented authentication functionality of live dj source connection.

airtime_mvc/application/controllers/PreferenceController.php

@@ -208,7 +208,6 @@ class PreferenceController extends Zend_Controller_Action
                 
                 // this goes into cc_pref table
                 Application_Model_Preference::SetStreamLabelFormat($values['streamFormat']);
-                Application_Model_Preference::SetLiveSteamAutoEnable($values["auto_enable_live_stream"]);
                 Application_Model_Preference::SetLiveSteamMasterUsername($values["master_username"]);
                 Application_Model_Preference::SetLiveSteamMasterPassword($values["master_password"]);