Use new "kira tree" cmd.

Specify limited time range (0 .. 9.625) to demonstrate how it's done
and to evade the interpolation bug.

Examples of new CM-node-ring-marker and particle tracking.
Replace nclump.cmap with one for use with the new nclump codes,
where nclump is positive for stars and negative for CM nodes and rings.
The new cmap uses the same colors for both, but it could be changed.