Author: David Mudrák
MDL-61392 enrol_paypal: Improve the IPN notifications handling
* Notify administrators once incoming IPN request is verified by PayPal.
* Fix the HTTP status as expected by the IPN protocol.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=b061fba2c4c14c898864026b323c9eaef953cb60
http://github.com/moodle/moodle/commit/b061fba2c4c14c898864026b323c9eaef953cb60
+ 3.1 en [errdisabled,enrol_paypal]
+ 3.1 en [erripninvalid,enrol_paypal]
+ 3.1 en [errpaypalconnect,enrol_paypal]