HFP-1904 Fix Moodle coding style issues.

backup/moodle2/backup_hvp_stepslib.php

backup/moodle2/restore_hvp_activity_task.class.php

backup/moodle2/restore_hvp_stepslib.php

classes/content_type_cache_form.php

classes/content_user_data.php

classes/editor_ajax.php

classes/editor_framework.php

classes/file_storage.php

classes/framework.php

dataviews.js

db/upgrade.php

editor.js

embed.js

library_list.php

locallib.php

mod_form.php

settings-hide-key.js

styles.css

xapi-collector.js

xapi-custom-report.css