Git commits in Moodle 2.6.11 by Juan Leyva

commit 4b6b64685affa66784fd238c1bbc1eb0651492a0
Author: Juan Leyva <juanleyvadelgado@gmail.com>
Date:   Tue, 28 Apr 2015 18:30:17 +0800
Tag:    v2.6.11

MDL-49994 files: Prevent to browse private files when are disabled

commit d62d36c657a5df45ee286722490abb7901381da6
Author: Juan Leyva <juanleyvadelgado@gmail.com>
Date:   Mon, 13 Apr 2015 20:38:30 +0800
Tag:    v2.6.11

MDL-49718 webservices: Fix forced format and force external text cleaning