N90 and SumPtChargedPFO moment for small-R UFO jets
Adding n90 and "PFO moments" like NumChargedPFO, SumPtChargedPFO and ChargedPFOWidth for small-R UFO jets as requested in ATLJETMET-1458
At the moment, only purely charged UFOs are used for the calculation of the ChargedPFO
moments, combined UFOs are not taken into account!
Tagging @mleblanc @camacho @mswiatlo @schaarsc @haweber @mspalla