Author: Jun Pataleta
MDL-66481 lang: Add additional date display formats
* Day, abbreviated month, and year (e.g. 28 Aug 2019)
* Day and abbreviated month (e.g. 28 Aug)
http://git.moodle.org/gw?p=moodle.git;a=commit;h=0aba625a9c8bf8a7126d368906f3f4584d1a5553
http://github.com/moodle/moodle/commit/0aba625a9c8bf8a7126d368906f3f4584d1a5553
+ 3.8 en [strftimedatemonthabbr,core_langconfig]
+ 3.8 en [strftimedateshortmonthabbr,core_langconfig]