Author: David Mudrák
MDL-56181 lang: Fix CI and CZ country short names to match ISO 3166
http://git.moodle.org/gw?p=moodle.git;a=commit;h=daa9b4d3c23f219e7bf1ca99c4e7d5f94040dd4b
http://github.com/moodle/moodle/commit/daa9b4d3c23f219e7bf1ca99c4e7d5f94040dd4b
+ 3.0 en [CI,core_countries]
+ 3.0 en [CZ,core_countries]