Author: David Mudrák
MDL-35422 Fix the confusing submit button label
http://git.moodle.org/gw?p=moodle.git;a=commit;h=03d9c19db9c857d2289240199d25b2daea387899
http://github.com/moodle/moodle/commit/03d9c19db9c857d2289240199d25b2daea387899
+ 2.3 en [createsubmission,mod_workshop]