Drop EPEL 8 build (now requires Python >= 3.7 ans tbb >= 2020)
Dropped patches: 12
New patches: 6
The JsMVA python module is now a submodule of the ROOT python module
The notebook package was merged with the JupyROOT package
ROOT now uses llvm/clang version 9 (updated from version 5)
No longer exclude arch s390x (better supported in llvm/clang 9)
Drop patches accepted upstream or previously backported
Backport some fixes that make more tests work
New subpackages: python{2,3}-distrdf, root-roofit-batchcompute
Require js-jsroot >= 6
Drop patch previously backported: root-doxygen-endof-part1.patch
Drop patch accepted upstream: root-python2-compat.patch
Add back line accidentally removed in root-config
Install headers in new PyROOT with COMPONENT headers
Increase test timeout for ppc64le
Do not export Python modules in CMake config
Drop patch root-clang-ignore-gcc-options.patch
("Recent ROOT does not send all possible compiler flags to rootcling.")
