rename get_date_format -> date_format change @@tz_map -> TZ_MAP
rename get_date_format -> date_format
change @@tz_map -> TZ_MAP

pressrelations/ffi-icu,jarib/ffi-icu,pressrelations/ffi-icu,cfis/ffi-icu,cfis/ffi-icu,jarib/ffi-icu,fantasticfears/ffi-icu,fantasticfears/ffi-icu,marek-veber/ffi-icu,marek-veber/ffi-icu