modified agg_mix_phylo to get rid of inconsistent
modified agg_mix_phylo to get rid of inconsistent

phylogeny key.  plot_across_phylogeny() remains
incomplete.

dacb/elvizCluster,JanetMatsen/elvizAnalysis,JanetMatsen/elvizAnalysis,JanetMatsen/elvizAnalysis,dacb/elvizCluster,dacb/elvizCluster