Clusters visualization?

[qchempku2017]

Hey just a small idea for user friendliness:

How about we add a method that visualizes clusters, so that users knows what it is on a projected structure plot? I think this might be very helpful when user wants to analyze short range orderings. They can just type like: some_orbit.visualize() and get a image right away, not having to match the indices of each atom in a cluster, and connect them manually.

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[lbluque]

I think that could be a cool idea @qchempku2017! It would be worth discussing exactly how it can best be implemented without adding to much dependency bloat.