An effort to avoid symbolic link problem. But we can just select "No".
Fixed the permission problem. The inited index.json doesn't permit other user for writing.
Just working ppf
Added to previous log
 - Re-structing.
 - For convenience, flask is used for url mapping
 - RESTfull like url
 - More extensible structure for added services
Works for ppfjob
 - restructing to integrate other services. working source
 - Using wsgi
 - flask is used for RESTful request dispatching