follow iso naming

Author: luc-github

www/js/language/sp.js renamed to www/js/language/es.js

@@ -1,6 +1,6 @@
 var language = 'en';
 
-var language_list = [['de', 'Deutsch', 'germantrans'],['en', 'English','englishtrans'], ['sp', 'Español' ,'spanishtrans'],['fr', 'Français', 'frenchtrans']];
+var language_list = [['de', 'Deutsch', 'germantrans'],['en', 'English','englishtrans'], ['es', 'Español' ,'spanishtrans'],['fr', 'Français', 'frenchtrans']];
 
 //removeIf(production)
 var translated_list=[];