Author: Dan Poltawski
MDL-57432 environment: raise Moodle 3.4 requirements
1) PHP minimum version raised to 7.0.0
2) Intl extension raised from optional to required
http://git.moodle.org/gw?p=moodle.git;a=commit;h=342c1613e37a80f6c20198acf648e3bf9e36b033
http://github.com/moodle/moodle/commit/342c1613e37a80f6c20198acf648e3bf9e36b033
+ 3.2 en [intlrequired,core_admin]