Author: Helen Foster
MDL-56903 lang: Merge English strings from the en_fix language pack
http://git.moodle.org/gw?p=moodle.git;a=commit;h=af70659cce033ed9034bc5e22a5374d3077bc70f
http://github.com/moodle/moodle/commit/af70659cce033ed9034bc5e22a5374d3077bc70f
+ 3.1 en [libcurlwarning,core_admin]