Replace mutable merged tracks with read-only projections - #1849

Replace mutable merged tracks with read-only projections#1849

PaulHax wants to merge 3 commits into

hierarchical-classification-pr2-mutationsKitware/dive:hierarchical-classification-pr2-mutationsfrom

hierarchical-classification-pr3-projectionsKitware/dive:hierarchical-classification-pr3-projectionsCopy head branch name to clipboard