Author: Helen Foster
MDL-52645 lang: Merge English strings from the en_fix language pack
http://git.moodle.org/gw?p=moodle.git;a=commit;h=1f4399663691b1d8f90ee51b656de7c722c10f1a
http://github.com/moodle/moodle/commit/1f4399663691b1d8f90ee51b656de7c722c10f1a
+ 3.0 en [useridlistnotcached,mod_assign]
+ 3.0 en [postmailinfolink,mod_forum]