Add CP::AsgUnionSelectionAlg
Add CP::AsgUnionSelectionAlg
intended to provide selection of the minimal subset of particles that pass at least one systematics. It uses similar functionality as what I implemented for OverlapRemoval - it adds a systematically aware decoration.
CP::AsgSelectionAlg
has also been updated not to require the tool if one just wants to make a summary selection based on multiple preselections.
Will add tests/examples later.
Edited by Tadej Novak