Git commits in Moodle 2.5.7 by Juan Leyva

commit ad9124d0454349c588831878035d253df183efb2
Author: Juan Leyva <juanleyvadelgado@gmail.com>
Date:   Tue, 13 May 2014 22:13:56 +0800
Tag:    v2.5.7

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