Added mapping for 'language' option

Author: fogs

Resources/views/Form/div_layout.html.twig

@@ -14,7 +14,8 @@
 		todayHighlight:		'date-today-highlight',
 		keyboardNavigation:	'date-keyboard-navigation',
 		forceParse:			'date-force-parse',
-		pickerPosition:		'picker-position',
+		pickerPosition		'picker-position',
+		language:			'date-language',
 	} %}
 
     {% if widget == "single_text" %}