Merge branch 'add_LCG_100_ATLAS_1' into 'LCG_100-patches'
[SPI-1881]: LCG_100_ATLAS_1: port forward evtGen 1.7.0 patch See merge request !726 (cherry picked from commit bd046ab6) e6631909 [SPI-1881]: LCG_100_ATLAS_1: port forward evtGen 1.7.0 patch
[SPI-1881]: LCG_100_ATLAS_1: port forward evtGen 1.7.0 patch See merge request !726 (cherry picked from commit bd046ab6) e6631909 [SPI-1881]: LCG_100_ATLAS_1: port forward evtGen 1.7.0 patch