Author: Adrian Greeve
MDL-62616 tool_log: Add a setting to disable exporting logs.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=adbfa2fbfafa3d30cbd3f9e8f852a2646b6b0c5c
http://github.com/moodle/moodle/commit/adbfa2fbfafa3d30cbd3f9e8f852a2646b6b0c5c
+ 3.4 en [exportlog,tool_log]
+ 3.4 en [exportlogdetail,tool_log]