Revise Moodle multiple security vulnerabilities from r397210 to reflect
recently published advisory

Security: CVE-2015-5264
Security: CVE-2015-5272
Security: CVE-2015-5265
Security: CVE-2015-5266
Security: CVE-2015-5267
Security: CVE-2015-5268
Security: CVE-2015-5269
Security: c2fcbec2-5daa-11e5-9909-002590263bf5