- Split library and plugins to xmms-libs (#184606).
    - ALSA is ubiquitous, don't filter dependencies to it.
    - Avoid standard rpaths on lib64 archs.
    - Tighten versioned -devel dependency to -libs.
    - Drop no longer needed Obsoletes.
    - Install icon to %{_datadir}/icons.
    - Convert docs to UTF-8.
    - Specfile rewrite/cleanup.
    - Drop bogus Source0 URL.
    - Don't use %exclude.