Log Message:
Update to 0.5.7:

2004-05-16  Sam Clegg

	* Version 0.5.7

	* Implement simple config dialog.

	* When fast playtime calculation is enabled, dedode the first
	  10 frames only.

2004-01-24  Sam Clegg

	* decoder.c: better xing bitrate calculation.

2003-12-28  Sam Clegg

	* Version 0.5.6

	* configure.ac: don't depend on pkgconfig files from
	libmad and libid3tag that aren't shipped by upstream

	* decoder.c xmms-mad.[ch]: fix xing header usage. added
	use_xing configuration option to disable it.