Free UPnP Entertainment Service Code

- removed ffmpeg transcoder plugin. use the external command instead
- set alive timer to 60 seconds. (prevents fuppes from disappearing on phillips TVs)
- fixed use of deprecated funtions in libavformat metadata plugin
- started playlist creation on the webinterface
- started create/update/delete object in contentdirectory (needed for the playlist creation)
- logging to webinterface
- started debug output on webinterface
- made the fuppes ctrl interface a upnp service
- started blip.tv plugin
- cleanup
- restructuring upnp action parsing