Update to 6.12.04
    Drop patches accepted upstream
    Drop previously backported patches
    Unbundle jsroot in root-net-http
    Add hack to work around broken charmaps in StandardSymbolsPS.otf
    Use local static script and style files for JupyROOT
    Fix some javascript errors
    Fix build rules for test binaries so that they are not installed
    Address memory usage issue for ARM build
    Drop pre-minified javascript and style files (Fedora packaging guidelines)
    Enable builds on ppc/ppc64/ppc64le (do not pass all tests, but the list
      of failing tests is much shorter with this release)
    Add dependency on python[23]-jsmva to python[23]-jupyroot
    New sub-packages: root-gui-canvaspainter, root-gui-webdisplay and
      root-hist-draw (not for EPEL 7 since they are root7 specific and
      require c++-14)