Added german language and improved existing ones

lang/de/settings.php

@@ -0,0 +1,16 @@
+<?php
+/**
+ * German language file for sqlquery plugin
+ *
+ * @author Thomas Hooge <thomas@hoogi.de>
+ */
+
+// keys need to match the config setting name
+
+$lang['Host'] = 'Standard MySQL-Serveradresse (DNS or IP)';
+$lang['DB'] = 'Standard MySQL-Datenbankname';
+$lang['user'] = 'Datenbankbenutzername';
+$lang['password'] = 'Datenbankkennwort';
+
+
+//Setup VIM: ex: et ts=4 :