Author: Helen Foster
MDL-47031 Merge English strings from the en_fix language pack
http://git.moodle.org/gw?p=moodle.git;a=commit;h=9447cdc20643a1b7ead3f1bbea080b9661f42f86
http://github.com/moodle/moodle/commit/9447cdc20643a1b7ead3f1bbea080b9661f42f86
+ 2.8 en [nouserstobeadded,auth_ldap]
+ 2.8 en [enablecompletion_help,core_completion]
+ 2.8 en [iprestriction_help,core_webservice]