Notification of string changes

Author: Andrew Nicols
MDL-64030 tool_dataprivacy: Process requests when system purpose not set


http://git.moodle.org/gw?p=moodle.git;a=commit;h=b78c5102ac450c8eb40422d1e8dea05173e76352
http://github.com/moodle/moodle/commit/b78c5102ac450c8eb40422d1e8dea05173e76352

+ 3.5 en [systemconfignotsetwarning,tool_dataprivacy]