Update license and copyright notices in each source file. PhoneGap is licensed under modified BSD and MIT (2008).

framework/assets/js/keyevent.js

@@ -1,3 +1,11 @@
+/*
+ * PhoneGap is available under *either* the terms of the modified BSD license *or* the
+ * MIT License (2008). See http://opensource.org/licenses/alphabetical for full text.
+ *
+ * Copyright (c) 2005-2010, Nitobi Software Inc.
+ * Copyright (c) 2010, IBM Corporation
+ */
+
 function KeyEvent() 
 {
 }