Git commits in Moodle 2.5.x by Alain Corbière

commit a182efb2893d6a56b321c7bf02e4260897876af8
Author: Alain Corbière <alain.corbiere@univ-lemans.fr>
Date:   Wed, 09 Oct 2013 21:40:38 +0800
Tag:    v2.5.3

MDL-41672 Fix html2text processing of multiple occurrences of the same URL