Git commits in Moodle 2.9.0 by Vadim Dvorovenko

commit 6aec17bd006e91bfe11bd0d06c7544f2cec7bb95
Author: Vadim Dvorovenko <Vadimon@mail.ru>
Date:   Fri, 23 Jan 2015 10:49:46 +0800
Tag:    v2.9.0-beta

MDL-48955 filter_mathjax: Regexp fix for texfiltercompatibility mode

commit 2fbd261d453eb5272b85cfe1fce710491baa5834
Author: Vadim Dvorovenko <Vadimon@mail.ru>
Date:   Thu, 15 Jan 2015 01:49:52 +0800
Tag:    v2.9.0-beta

MDL-42172 Authentification: Adding alternate names to "Lock user fields"

commit 4ad0d0f2f50860e4d07236ee2645c87e7a74fa6e
Author: Vadim Dvorovenko <Vadimon@mail.ru>
Date:   Thu, 15 Jan 2015 01:44:37 +0800
Tag:    v2.9.0-beta

MDL-43415 auth_db: Adding custom profile fields to "Lock user fields"

commit f64828f23a7fa2079902fd5cdf1d70630867e44c
Author: Vadim Dvorovenko <Vadimon@mail.ru>
Date:   Thu, 15 Jan 2015 01:07:38 +0800
Tag:    v2.9.0-beta

MDL-48798 Statistics: Adding lang string for user activity.

commit 28d20df9bab5ca78a3ed6bf51554d64b53b2212e
Author: Vadim Dvorovenko <Vadimon@mail.ru>
Date:   Thu, 15 Jan 2015 00:39:14 +0800
Tag:    v2.9.0-beta

MDL-48779 MNet: multibyte substr in certificate generation