MGASA-2015-0229 Updated moodle packages fix security vulnerabilities

Updated moodle package fixes security vulnerabilities: In Moodle before 2.6.11, leaving gradebook feedback is a trusted action and such capabilities in other modules already have an XSS mask, 'mod/quiz:grade' was missing this flag CVE-2015-3174. In Moodle before 2.6.11, some error messages displa...