[master] 4f487ab Update index, remove orphans, add esi

[Per Buer]

commit 4f487ab8e568c2ab80c739cc4ad3fa8a11cdd758
Author: Per Buer <perbu at varnish-software.com>
Date:   Thu Mar 6 14:08:24 2014 +0100

    Update index, remove orphans, add esi

diff --git a/doc/sphinx/users-guide/index.rst b/doc/sphinx/users-guide/index.rst
index 1000a6f..7cd0c25 100644
--- a/doc/sphinx/users-guide/index.rst
+++ b/doc/sphinx/users-guide/index.rst
@@ -40,6 +40,7 @@ from transaction level to aggregate statistics.
    vcl
    report
    performance
+   esi   
    troubleshooting
    orphans