Git commits in Moodle 2.9.5 by Frederic Massart

commit b02a001b6e72a60c4afc0774b73047128f585364
Author: Frederic Massart <fred@moodle.com>
Date:   Thu, 18 Feb 2016 19:26:00 +0800
Tag:    v2.9.5

MDL-52068 repository: Prevent JS errors due to unescaped lang strings

commit 3617ae07f3e2a2446ea6f5703fe2b910340fe9b6
Author: Frederic Massart <fred@moodle.com>
Date:   Fri, 08 Jan 2016 16:49:54 +0800
Tag:    v2.9.5

MDL-51710 repository_s3: Use proxy settings when communicating with S3