Update to 3.7a.
    New source URL.
    Drop unnecessary spec file elements (BuildRoot, %defattr, etc.).
    Reenable XEmacs subpackages.
    Fix more files with non-UTF-8 encodings.
    Four patches to fix problems encountered with the new version.
    Add alsa-lib-devel, dbus-devel, and flac-devel BRs for new APIs.
    The obsoletes were needed for now EOL Fedora releases; remove them.
    Add %check script.