Author: Serge Gauthier
MDL-51442 tool_lp: Framework scales configuration must be mandatory
http://git.moodle.org/gw?p=moodle.git;a=commit;h=31582c1638a67249636dbf9a87e6c31afe16f0be
http://github.com/moodle/moodle/commit/31582c1638a67249636dbf9a87e6c31afe16f0be
+ 3.1 en [errorscaleconfiguration,tool_lp]