Tag to be used with the master branch of atlas/athena. Update(s) since 2.0.108: - Removed the automated setting of the PACKAGE_VERSION macro from the compilation commands; * At the same time added the PACKAGE macro to the build of resolveAtlasAddr2Line, which was previously silently relying on the existence of the PACKAGE_VERSION macro; - Added Findheaptrack.cmake to AtlasLCG; - Updated Acts to version v9.1.0.