Git commits in Moodle 2.2.3 by ppichet

commit cc2a87e3fe331855a974c0a5f87d580e4ce9d87a
Author: ppichet <pichet.pierre@uqam.ca>
Date:   Mon, 23 Apr 2012 07:26:45 +0800
Tag:    v2.2.3

MDL-32181 question/calculatedmulti validate multianswers

commit 8858129c17361715d33211bc8e770664a35c5f28
Author: ppichet <pichet.pierre@uqam.ca>
Date:   Mon, 16 Apr 2012 10:29:32 +0800
Tag:    v2.2.3

MDL-32358 : numerical question: validation messages errors

commit d8c5082b764cc7040eb419e623c3b0a67e4d2f7d
Author: ppichet <pichet.pierre@uqam.ca>
Date:   Thu, 05 Apr 2012 01:30:45 +0800
Tag:    v2.2.3

MDL-32217_22 Setting options->unitgradingtype