Git commits in Moodle 2.5.1 by Mohamed Alsharaf

commit de5568b18e8586566cfb494b0e8b56fa2c925e3d
Author: Mohamed Alsharaf <mohamed.alsharaf@gmail.com>
Date:   Wed, 12 Jun 2013 07:54:42 +0800
Tag:    v2.5.1

MDL-40091 book: revision must be incremented after editing a chapter