Author: Helen Foster
MDL-23769 lang string polishing
http://git.moodle.org/gw?p=moodle.git;a=commit;h=2dc41dd6b6d3873d758b4eb2830c651ada3db775
http://github.com/moodle/moodle/commit/2dc41dd6b6d3873d758b4eb2830c651ada3db775
+ 2.0 en [audience_help,core_hub]
+ 2.0 en [contactphone_help,core_hub]
+ 2.0 en [coursepublished,core_hub]
+ 2.0 en [courseurl_help,core_hub]
+ 2.0 en [creatornotes_help,core_hub]
+ 2.0 en [demourl_help,core_hub]
+ 2.0 en [detectednotexistingpublication,core_hub]
+ 2.0 en [educationallevel_help,core_hub]
+ 2.0 en [forceunregisterconfirmation,core_hub]
+ 2.0 en [imageurl,core_hub]
+ 2.0 en [screenshots_help,core_hub]
+ 2.0 en [subject_help,core_hub]
+ 2.0 en [tags_help,core_hub]