Fix bug: cs_CZ display the wrong locale in datetime picker

ChangeLog

@@ -1,3 +1,10 @@
+Version 1.0.21 (unreleased)
+---------------------------
+
+Bug fixes:
+
+* cs_CZ display the wrong locale in datetime picker
+
 Version 1.0.20
 --------------
 

Makefile

@@ -6,7 +6,7 @@ CSS_VENDOR = $(addprefix assets/css/vendor/, $(addsuffix .css, jquery-ui.min jqu
 
 JS_APP = $(addprefix assets/js/src/, $(addsuffix .js, Popover Dropdown Tooltip Markdown Sidebar Search App Screenshot Calendar Board Swimlane Gantt Task TaskRepartitionChart UserRepartitionChart CumulativeFlowDiagram BurndownChart AvgTimeColumnChart TaskTimeColumnChart LeadCycleTimeChart Router))
 JS_VENDOR = $(addprefix assets/js/vendor/, $(addsuffix .js, jquery-1.11.3.min jquery-ui.min jquery-ui-timepicker-addon.min jquery.ui.touch-punch.min chosen.jquery.min moment.min fullcalendar.min mousetrap.min mousetrap-global-bind.min))
-JS_LANG = $(addprefix assets/js/vendor/lang/, $(addsuffix .js, da de es fi fr hu id it ja nl nb pl pt pt-br ru sv sr th tr zh-cn))
+JS_LANG = $(addprefix assets/js/vendor/lang/, $(addsuffix .js, cs da de es fi fr hu id it ja nl nb pl pt pt-br ru sv sr th tr zh-cn))
 
 all: css js
 

app/Model/Config.php

@@ -108,7 +108,7 @@ class Config extends Setting
     public function getJsLanguageCode()
     {
         $languages = array(
-            'cs_CZ' => 'cz',
+            'cs_CZ' => 'cs',
             'da_DK' => 'da',
             'de_DE' => 'de',
             'en_US' => 'en',