Add copyright headers and 'Inherits from'. Comments only modification.

git-svn-id: http://svn.openlayers.org/trunk/openlayers@8037 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Control/Pan.js

@@ -1,9 +1,16 @@
+/* Copyright (c) 2006-2008 MetaCarta, Inc., published under the Clear BSD
+ * license.  See http://svn.openlayers.org/trunk/openlayers/license.txt for the
+ * full text of the license. */
+
 /**
  * @requires OpenLayers/Control.js
  */
 
 /**
  * Class: OpenLayers.Control.Pan
+ *
+ * Inherits from:
+ *  - <OpenLayers.Control>
  */
 OpenLayers.Control.Pan = OpenLayers.Class(OpenLayers.Control, {