Adopted composer autoload way

Split up classes into separate way, to allow autoloader to do it's work

Signed-off-by: Diederik de Groot <ddegroot@talon.nl>

lib/Logger/Null.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace PROVISION\Logger;
+
+class Null extends Logger
+{
+	function log($priority, $message)
+	{
+	}
+}
+?>