Git commits in Moodle 2.6.4 by Juan Leyva

commit a9d792433fb604b605006fcaa47bb5450b437948
Author: Juan Leyva <juanleyvadelgado@gmail.com>
Date:   Tue, 13 May 2014 22:13:56 +0800
Tag:    v2.6.4

MDL-36670 logging: action parameter length restricted to 40 chars