CC-2186: Integration of a logger tool

-initial check-in. Everything appears to be working...

airtime_mvc/application/logging/Logging.php

@@ -0,0 +1,19 @@
+<?php
+
+class Logging {
+
+    private static $_logger;
+    private static $_path;
+
+    public static function getLogger(){
+        if (!isset(self::$logger)) {
+            $writer = new Zend_Log_Writer_Stream(self::$_path);
+            self::$_logger = new Zend_Log($writer);
+        }
+        return self::$_logger;
+    }
+
+    public static function setLogPath($path){
+        self::$_path = $path;
+    }
+}