CC-2747: When metadata contains non utf-8 encoding, we should handle it

- we cover some cases with cp1252 encoding for now.
- extra fix: Logging.php (copied from 2.0.0)

airtime_mvc/application/logging/Logging.php

@@ -16,4 +16,9 @@ class Logging {
     public static function setLogPath($path){
         self::$_path = $path;
     }
+    
+    public static function log($p_msg){
+        $logger = self::getLogger();
+        $logger->info($p_msg);
+    }
 }