Git commits in Moodle 1.9.14 by Marina Glancy

commit 2f81316ad17d7653dc641aca41a69db7fd88cfdf
Author: Marina Glancy <marina@moodle.com>
Date:   Thu, 29 Sep 2011 17:12:24 +0800
Tag:    v1.9.14

MDL-25454: using the faster way to check if record exists in db

commit b7df65036f544aef3c70f03167dec34bc5952a7a
Author: Marina Glancy <marina@moodle.com>
Date:   Mon, 25 Jul 2011 15:43:36 +0800
Tag:    v1.9.14

MDL-25454 before skipping course backup make sure that there are no change entries in it's log during the last month