CC-4583: Use AJAX calls instead of refreshing entire page

-done

airtime_mvc/public/js/airtime/preferences/streamsetting.js

@@ -352,4 +352,22 @@ $(document).ready(function() {
             at: "right center"
         },
     })
+    
+    $('#stream_save').live('click', function(){
+        var confirm_pypo_restart_text = "If you change the username or password values for an enabled stream the "
+            + "playout engine will be rebooted and your listeners will hear silence for"
+            + "5-10 seconds. Changing the following fields will NOT cause a reboot: "
+            + "Stream Label (Global Settings), and Switch Transition Fade(s), Master "
+            + "Username, and Master Password (Input Stream Settings). If Airtime is recording"
+            + ", and if the change causes a playout engine restart, the recording will be interrupted.";
+        if (confirm(confirm_pypo_restart_text)) {
+            var data = $('#stream_form').serialize();
+            var url = baseUrl+'/Preference/stream-setting';
+
+            $.post(url, {format:"json", data: data}, function(data){
+                var json = $.parseJSON(data);
+                $('#content').empty().append(json.html);
+            });
+        }
+    });
 });