OTHER: Expose medialib total size/duration/playtime via server stats.
OTHER: Refcounting bug in medialib_query_result.c
OTHER: Add a nice breakpoint for log messages

You can now break at xmmsc_log_handle in your favorite debugger. At this
function the message has already been formatted, so that it is immediately
legible.
OTHER: Use log_domain in medialib-runner

Replace stray "xmms2-launcher"