Author: Damyon Wiese
MDL-58220 auth_oauth2: Restrict logins to a set of domains
This is set on the issuer, so you can have different lists for each oauth2 provider.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=c21a66e40af7e24bec5bc984304c2f3ee3453f52
http://github.com/moodle/moodle/commit/c21a66e40af7e24bec5bc984304c2f3ee3453f52
+ 3.3 en [issueralloweddomains,tool_oauth2]
+ 3.3 en [issueralloweddomains_help,tool_oauth2]
+ 3.3 en [issueralloweddomains_link,tool_oauth2]