add AVE_40_BX_25ns AVE_40_BX_50ns and AVE_80_BX_50ns; on behalf of Gaelle
Merge pull request #1061 from franzoni/add-pu-70specific-wGaelle

New scenarios -- Add AVE_40_BX_25ns AVE_40_BX_50ns and AVE_80_BX_50ns; on behalf of Gaelle