Author: jerome mouneyrac
webservice MDL-13129 add moodle_course_get_courses and moodle_course_create_courses
http://git.moodle.org/gw?p=moodle.git;a=commit;h=6bb31e404ef0a048607b1cf3c3a16f94ca5ef957
http://github.com/moodle/moodle/commit/6bb31e404ef0a048607b1cf3c3a16f94ca5ef957
+ 2.0 en [errorcatcontextnotvalid,core_webservice]
+ 2.0 en [errorinvalidparam,core_webservice]