Fix X connection setup for compatibility with latest Xorg version.
Exports average of 3 components (instead of green component) in CDL files.
Synthesize axis aligned spheroids.
Limits aspect ratio for compatibility with discrete skeleton/cluster algorithm.
Removes unused Link operator as the operation is more efficient (O(N) vs O(N^2)) when performed directly in Cluster operator.
Moves Family definition
Moves struct Family to family.h (included by cluster.cc, family.cc).