Git commits in Moodle 2.3.1 by Matteo Scaramuccia

commit 8ac8aae4f4c48e87d058b0c8fd7a6ab24cb84cbb
Author: Matteo Scaramuccia <moodle@matteoscaramuccia.com>
Date:   Tue, 22 May 2012 06:47:01 +0800
Tag:    v2.3.1

MDL-33053 AICC: Incorrect Table Of Content hierarchy using "structured" AICC           courses [Fix] 'scorm_scoes' doesn't contain all the entries described in the DES file [Fix] HTMLizing the parent relationship, described in the CST file,       fails: it considers 'index = 0' (found) equals to 'false' (not found)