Initial update of comments to JSDoc format.
diff --git a/js/security/KeyManager.js b/js/security/KeyManager.js
index 32a7f42..d3e70cd 100644
--- a/js/security/KeyManager.js
+++ b/js/security/KeyManager.js
@@ -3,6 +3,9 @@
  * See COPYING for copyright and distribution information.
  */
 
+/**
+ * @constructor
+ */
 var KeyManager = function KeyManager(){