- AkteLib: added optional params "archiv", "signiert", "stud_selfservice", removed "uid"

- AkteLib and DmsLib: added comments, added fallback default user for insertvon
- FS_Model: added TempFS_model.php for writing temp files, added comments

application/models/content/TempFS_model.php

@@ -0,0 +1,16 @@
+<?php
+
+/**
+ * Model for writing temporary files
+ */
+class TempFS_model extends FS_Model
+{
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		// default temp directory of server is used
+		parent::__construct(sys_get_temp_dir());
+	}
+}