Trivial Party Mode Upload and Admin Scripts

Requires python-xbmc <https://github.com/jcsaaddupuy/python-xbmc> and
yattag (http://yattag.org)

Throw upload.cgi and upload.html into a directory together, generate a
QR code URL for friends to scan, and now anyone can upload music from
their phones to your party playlist. No configuration file, modify
upload.cgi directly if your user/pass differ from the default.

admin.cgi allows for basic playlist management -- moving songs,
deleting, rating, search, and randomly queuing search results.

Patches to add a config file or anything really are welcome.