Tag to be used with the master branch of atlas/athena.
Update(s) since 2.0.109:
- Made it possible to build ROOT with LLVM/Cling in Debug mode for dictionary debugging;
- Removed the build of FastJet from all of the LCG based projects;
* At the same time switched the build of FastJet in AnalysisBaseExternals to version 3.4.0, in sync with LCG_100_ATLAS_5;
- Upgraded lwtnn to version 2.12;
- Upgraded prmon to version 2.2.1;
- Removed some unnecessary printouts from the build of dictionaries and converters.