SPI-2569: LCG_104d_ATLAS_17_18
The MR and new ATLAS layers are described in SPI-2569.
- The layers are based on previous ATLAS layer, ie on LCG_104d_ATLAS_15 and 16.
- new version of pythia8 - 312
- Geneva, a Monte-Carlo event generator - geneva-1.0-rc3 with a patch
- adding a deprecated in cmake function used in it
- replacing broken URL for beam-function data files
- adding forgotten sympy package to ATLAS "top_packages"
- apply additional patch to madgraph5amc-3.5.4 and release it as madgraph5amc-3.5.4.atlas7
It doesn't include initially requested EPOS 4.0
Edited by Dmitri Konstantinov