Git commits in Moodle 2.5.7 by Jetha Chan

commit 81b1de692803365d6e756ea4257dbc4424f56b9d
Author: Jetha Chan <jetha@moodle.org>
Date:   Fri, 23 May 2014 15:59:14 +0800
Tag:    v2.5.7

MDL-44482 mod_lti: use localized dates


commit ac16b912684e90422ba4233ad9b08fabc293c08b
Author: Jetha Chan <jetha@moodle.org>
Date:   Thu, 15 May 2014 15:49:28 +0800
Tag:    v2.5.7

MDL-45561 themes: horizontal scroll in RTL base


commit 9faa1e9377467333c561ec71c854599500aa360e
Author: Jetha Chan <jetha@moodle.org>
Date:   Tue, 13 May 2014 12:20:03 +0800
Tag:    v2.5.7

MDL-45525 themes: minor forum improvements


commit c6a4cac7994d2b3ff6f6381c64acbaff42b07b93
Author: Jetha Chan <jetha@moodle.org>
Date:   Mon, 12 May 2014 17:16:58 +0800
Tag:    v2.5.7

MDL-41383 theme: filepicker zoom resiliency