major update before migration under CAT

• move Metainfo to n-tupliser
• change weights to doubles instead of float (necessary for R_{ij} analysis)
• remove a couple of deprecated functions
• rename JECs into scales to be uniform with news objects
• rename inclusive_jets into events
• address https://gitlab.cern.ch/DasAnalysisSystem/Core/-/issues/108 (pile-up ID)
• address https://gitlab.cern.ch/DasAnalysisSystem/Core/-/issues/109 (git commit SHA)
• revisit 4-vector types
• rerun full jet analysis (at least)
• address https://gitlab.cern.ch/DasAnalysisSystem/Core/-/issues/90 (photon energy variations in n-tupliser)
• address https://gitlab.cern.ch/DasAnalysisSystem/Core/-/issues/101 (pixel seed veto option)
• rerun nearly full Z\to\mu\mu\gamma
• rename Core (original idea: Molecule; new idea: Polymer)
• get rid of shared_ptrs wherever not necessary