Experimental Release of xPiano Share

I released xPiano Share, a file sharing application for xPiano+ and xPiano.
This application is meant to facilitate sharing of files created by users in xPiano+ and xPiano.

It's still experimental version and there are many things need to be done, but I need more files to test this application and the server. So please try, and if you have suggestions or experienced bugs, please let me know.