MDL-13483 new hidden $CFG->noemailever setting to block sending of all emails - for dev sites only, set in config.php if needed; merged from MOODLE_19_STABLE
MDL-13483 new hidden $CFG->noemailever setting to block sending of all emails - for dev sites only, set in config.php if needed; merged from MOODLE_19_STABLE

dilawar/moodle