Author: Petr Škoda
MDL-34441 rewrite log display actions after db migration
http://git.moodle.org/gw?p=moodle.git;a=commit;h=f3ae983eea826a49fc0ecd267ec1210a1c562b7a
http://github.com/moodle/moodle/commit/f3ae983eea826a49fc0ecd267ec1210a1c562b7a
+ 2.4 en [convertinglogdisplay,tool_dbtransfer]