Reduce verbosity

Merge pull request #11 from mfasDa/feature-verbosity

Reduce verbosity in log files

Few bug fixes

Merge pull request #10 from mfasDa/hotfix-stableparticles

Few more bug fixes

AligenMC - Adjustment of build

Figure out whether the package is loaded on CVMFS (lxplus, grid) or local user build to properly set up environment
See PR #9

Herwig : MB tune, UE handling

. change in aligenMC to be compatible with MCgen LEGO train (needed for PWG-JE especially)
See under this repo aligenmc last commit : "Fix MB tune and UE handling for Herwig 7.2" (#6)

. Changes in line with ongoing updates of HEPmc headers on the AliRoot side (alisw/AliRoot#1241)