Author: Petr Škoda
MDL-34441 rewrite log display actions after db migration
http://git.moodle.org/gw?p=moodle.git;a=commit;h=05e43411659c3bbce5b50f190350d75475901db6
http://github.com/moodle/moodle/commit/05e43411659c3bbce5b50f190350d75475901db6
+ 2.3 en [convertinglogdisplay,tool_dbtransfer]