- Splitted Usersfilters_widget in:

- Aufnahmegruppe_widget
	- Reihungstest_widget
	- Studiengang_widget
	- Studiensemester_widget
	- Stufe_widget
- Renamed /system/Users controller to system/aufnahme/PrestudentMultiAssign
- Added method getPrestudentMultiAssign to Prestudent_model
- Changed WidgetLib to allow to set the name and the id html attributes
of a widget

application/views/widgets/stufe.php

@@ -0,0 +1,14 @@
+<select id="<?php echo $html['id']; ?>" name="<?php echo $html['name']; ?>">
+	<?php foreach($stufen as $v): ?>
+		<?php
+			$selected = '';
+			if ($v->stufe == $stufe)
+			{
+				$selected = 'selected';
+			}
+		?>
+		<option value="<?php echo $v->stufe; ?>" <?php echo $selected; ?>>
+			<?php echo $v->beschreibung; ?>
+		</option>
+	<?php endforeach; ?>
+</select>