Git commits in Moodle 2.5.2 by Jean-Michel Vedrine

commit e87a512c551f1febf2a0f42600e3b15d9f2ae222
Author: Jean-Michel Vedrine <vedrine@vedrine.org>
Date:   Tue, 06 Aug 2013 15:56:12 +0800
Tag:    v2.5.2

MDL-30001 WEBCT Import does not work for 2.0

commit 17c77ac5007fbfe690a823d4a1994ceb1b08fb84
Author: Jean-Michel Vedrine <vedrine@vedrine.org>
Date:   Sun, 04 Aug 2013 02:07:55 +0800
Tag:    v2.5.2

MDL-39691 Lesson - Email graded essays not working

commit 0c2a1dec7678e5c08c6cf1c2e166bc80b4b4f12c
Author: Jean-Michel Vedrine <vedrine@vedrine.org>
Date:   Thu, 04 Jul 2013 21:01:18 +0800
Tag:    v2.5.2

MDL-40499 Edit question from 1.9 backup breaks if images in subdirs

commit 4cb50d230bbf87783de01cc6f0d4b4516f73e460
Author: Jean-Michel Vedrine <vedrine@vedrine.org>
Date:   Thu, 09 May 2013 13:51:14 +0800
Tag:    v2.5.2

MDL-39507 questions: fix pluginfile URLs before format_text.