More improvements to security

Change-Id: Ib864df3b2d36f22a1e070829aabbaa8c1ce7bd4c
diff --git a/php/logout.php b/php/logout.php
new file mode 100644
index 0000000..5d8f14a
--- /dev/null
+++ b/php/logout.php
@@ -0,0 +1,5 @@
+<?php
+	require_once("security.php");
+
+	Security::logout();
+	Security::goHome();