Author: Helen Foster
MDL-23598 rewording help strings thanks to Joseph Rezeau
http://git.moodle.org/gw?p=moodle.git;a=commit;h=9aba73563d64739885ac3a59e2c80c92c0cb1246
http://github.com/moodle/moodle/commit/9aba73563d64739885ac3a59e2c80c92c0cb1246
+ 2.0 en [displayreview,mod_lesson]
+ 2.0 en [displayreview_help,mod_lesson]
+ 2.0 en [maximumnumberofattempts_help,mod_lesson]