added missing lang-string top_menu_mailuser + changed umlaut code to utf8 chars

interface/lib/lang/de.lng

@@ -36,9 +36,10 @@ $wb['top_menu_dns'] = 'DNS';
 $wb['top_menu_tools'] = 'Einstellungen';
 $wb['top_menu_help'] = 'Support';
 $wb['top_menu_billing'] = 'Billing';
+$wb['top_menu_mailuser'] = 'Mailuser';
 $wb['top_menu_domain'] = 'Domains';
 $wb['top_menu_dashboard'] = 'Home';
-$wb['latest_news_txt'] = 'Latest news';
+$wb['latest_news_txt'] = 'Neuigkeiten';
 $wb['top_menu_vm'] = 'VServer';
 $wb['daynamesmin_su'] = 'So';
 $wb['daynamesmin_mo'] = 'Mo';
@@ -56,7 +57,7 @@ $wb['daynames_friday'] = 'Freitag';
 $wb['daynames_saturday'] = 'Samstag';
 $wb['monthnamesshort_jan'] = 'Jan';
 $wb['monthnamesshort_feb'] = 'Feb';
-$wb['monthnamesshort_mar'] = 'Mär';
+$wb['monthnamesshort_mar'] = 'Mär';
 $wb['monthnamesshort_apr'] = 'Apr';
 $wb['monthnamesshort_may'] = 'Mai';
 $wb['monthnamesshort_jun'] = 'Jun';
@@ -67,7 +68,7 @@ $wb['monthnamesshort_oct'] = 'Okt';
 $wb['monthnamesshort_nov'] = 'Nov';
 $wb['monthnamesshort_dec'] = 'Dez';
 $wb['datepicker_nextText'] = 'Vor';
-$wb['datepicker_prevText'] = 'Zurück';
+$wb['datepicker_prevText'] = 'Zurück';
 $wb['logout_txt'] = 'LOGOUT';
 $wb['submit_confirmation'] = 'Wollen Sie diese Aktion wirlich ausführen?';
 $wb['globalsearch_resultslimit_of_txt'] = "von";
@@ -76,4 +77,4 @@ $wb['globalsearch_noresults_text_txt'] = "Keine Treffer.";
 $wb['globalsearch_noresults_limit_txt'] = "0 Treffer";
 $wb['globalsearch_searchfield_watermark_txt'] = "Suche";
 $wb['globalsearch_suggestions_text_txt'] = "Vorschläge";
-?>
+?>
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