version, and bump all depends. Per discussion on pkgsrc-changes.
Also add some patches to remove use of deprecated symbols and fix other problems when looking for or compiling against libpng-1.4.x.
supports XMMS as well, but we're not building it as gtk1 needs to go away. bmp-pulse is an output plugin for the Beep Media Player program that allows it to output sound using the PulseAudio sound server (mainly used by the GNOME desktop).