Author: sam marshall
MDL-29768 debugstringids option did not do anything
http://git.moodle.org/gw?p=moodle.git;a=commit;h=2e98ae02ec2af3ab2312e2cc524c70c8d5ba6ad6
http://github.com/moodle/moodle/commit/2e98ae02ec2af3ab2312e2cc524c70c8d5ba6ad6
+ 2.2 en [debugstringids_desc,core_admin]
- 2.2 en [configdebugstringids,core_admin]