Git commits in Moodle 2.6.x by ppichet

commit 9ddb8a56a366ce438a9afcbe505323e6225fbd9a
Author: ppichet <pichet.pierre@uqam.ca>
Date:   Thu, 06 Jun 2013 11:44:39 +0800
Tag:    v2.6.0-beta

MDL-31680 Correcting the format of calculated types correct response

commit feec4f89417b13d87a464710b2479704cffbabdb
Author: ppichet <pichet.pierre@uqam.ca>
Date:   Wed, 05 Jun 2013 11:59:11 +0800
Tag:    v2.6.0-beta

MDL-26511 Images in Cloze multichoice

commit bf766d43f965d81ff0461026e6f3aba34c0f59b0
Author: ppichet <pichet.pierre@uqam.ca>
Date:   Mon, 03 Jun 2013 08:16:19 +0800
Tag:    v2.6.0-beta

MDL-33105 flexible apply_units() function