Draft: Support v7 packed tracks (w/clusters on track)
- Introduces the support of VPMicroClusters, including converters
- Introduces tests to said converters
- Adds a function
get_default_vp_light_clusters
which is set by a bind to the retina or SP clusters
Goes with LHCb!4287 (closed)# and Rec!3597 (closed)
Edited by Laurent Dufour