update jquery.ui.datepicker-de.js (#13825)

This is from following revision.
https://github.com/jquery/jquery-ui/commit/10ca48308fea6a9b30d2457fbf5a1b6e0ed5966c

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11735 e93f8b46-1217-0410-a6f0-8f06a7374b81

public/javascripts/i18n/jquery.ui.datepicker-de.js

@@ -2,10 +2,10 @@
 /* Written by Milian Wolff (mail@milianw.de). */
 jQuery(function($){
 	$.datepicker.regional['de'] = {
-		closeText: 'schließen',
-		prevText: '<zurück',
-		nextText: 'Vor>',
-		currentText: 'heute',
+		closeText: 'Schließen',
+		prevText: '<Zurück',
+		nextText: 'Vor>',
+		currentText: 'Heute',
 		monthNames: ['Januar','Februar','März','April','Mai','Juni',
 		'Juli','August','September','Oktober','November','Dezember'],
 		monthNamesShort: ['Jan','Feb','Mär','Apr','Mai','Jun',