Git commits in Moodle 2.6.x by Tony Levi

commit 00726467f6097c90f33490051bf7bf3d7728cb4b
Author: Tony Levi <tony.levi@netspot.com.au>
Date:   Thu, 06 Jun 2013 12:41:19 +0800
Tag:    v2.6.0-beta

MDL-40035: Avoid rebuild_course_cache always for empty course

commit 1b55bdb64413426e3cb35b52202275e86f1d03d9
Author: Tony Levi <tony.levi@netspot.com.au>
Date:   Wed, 27 Mar 2013 08:51:36 +0800
Tag:    v2.6.0-rc1

MDL-38734: Automated backup failure causing all course to fail