By rblanker: Added OPTIONS method to REST layer.
By rblanker: Added OPTIONS rest calls for upload ticket REST calls. Will add 'Access-Control-Allow-Origin' to header when upload ticket is valid.
By rblanker: Added 'Access-Control-Allow-Origin' to result header when upload POST/PUT was successful.
By rblanker: Added unit test for 'Access-Control-Allow-Origin'.
By rblanker: Extended REST browser for method OPTIONS.
By rblanker: Extended REST layer to allow empty responses (HTTP header only).
Version 3.4.x-dev build 2008.