Author: Luca Bösch
MDL-46344 outputrenderers: Localize 'This page is'.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=c5999e98168829977c703e0e97f1ad6d7456972f
http://github.com/moodle/moodle/commit/c5999e98168829977c703e0e97f1ad6d7456972f
+ 3.4 en [pageinfodebugsummary,core_admin]