Added demo application and javascript file.
Checking in changes prior to tagging of version 0.02.

Changelog diff is:

diff --git a/Changes b/Changes
index 97c59e0..f51b839 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,10 @@ Revision history for Perl extension HTTP-Session2

 {{$NEXT}}

+0.02 2013-10-30T00:16:10Z
+
+    - Documentation fix
+
 0.01 2013-10-28T03:18:35Z

     - original version