Significant string changes:
- configgeneralfiles,core_backup - includes explanation of implications
of settings
- mobilenotificationsdisabledwarning,tool_mobile - location corrected
- statsreport14,core - 'views/posts' corrected to 'posts/views'
- err_nousers,core_completion - explanation of who completion
- information is displayed for errorcourselisting,block_community - note
about sunsetting moodle.net