Tag to be used with the master branch of atlas/athena. Update(s) since 2.0.121: - Made the deduction of "nightly name" more robust for the generated ReleaseData file; - Silenced a warning about TBB_ROOT during the re-configuration of a build area that uses Gaudi; - Made the NumPy executable(s) available in the runtime environment when using Findnumpy.cmake; - Made AthenaExternals always set up the runtime environment for the CUDA version that is available to it (from the LCG release).