Additional plug-ins for Qt MultiMedia Player

- MPG123:	provides MPEG v1/2 layer1/2/3 support with use of
		libmpg123 library
- FFap:		provides enhanced Monkey's Audio (APE) support
		(24-bit samples and embedded cue support)
- Goom:		Goom spectacle
- xmp:		Decodes module audio and renders sound
- Sample Rate Converter:	Changes frequency of sample rate.
- History:	Collects information about listend tracks.
- FFvideo:	FFmpeg-based video