Git commits in Moodle 2.5.x by fabmen

commit 68ca11f96a29b941a4239ecfb7593c5a0fead0c2
Author: fabmen <menard.fabrice@gmail.com>
Date:   Mon, 16 Dec 2013 18:55:24 +0800
Tag:    v2.5.5

MDL-43405 auth_ldap: Fixed issue with undefined variable: ldap_cookie

commit 058bb7cd33b184d53d8ad22f70a8799e20bb48fe
Author: fabmen <menard.fabrice@gmail.com>
Date:   Thu, 12 Dec 2013 22:50:35 +0800
Tag:    v2.5.5

MDL-34319 auth_cas: Fixed issue with undefined variable: ldapconnection