Author: Paul Holden
MDL-81534 tool_generator: standardize user creation language string.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=4d5289e59969aa9448f4479fe3f0e387a862b331
http://github.com/moodle/moodle/commit/4d5289e59969aa9448f4479fe3f0e387a862b331
+ 4.4 en [progress_createusers,tool_generator]