Git commits in Moodle 2.4.7 by Alain Corbière

commit 0c018318c6ec99d1a8dc72c7feb6a7047671f04e
Author: Alain Corbière <alain.corbiere@univ-lemans.fr>
Date:   Wed, 09 Oct 2013 21:40:38 +0800
Tag:    v2.4.7

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