Tag to be used with the master branch of atlas/athena. Update(s) since 2.0.28: - Added the PyModules package to build python modules needed by the Athena project; - Updated KLFitter to version 1.3.2; - Various updates to CheckerGccPlugins; - Updated Acts to version 0.9.2; - Added find-modules for pandas and sqlalchemy in AtlasLCG.