Fix progress meter when calculating distance matrix between trees.
Rename Tree Clustering Analysis -> Tree Set Cluster Analysis
Refactoring in tree clustering parameters calculation.
Refactoring tree clustering parameters table generation.
Tree clustering analysis result table generation.
Siplify code related to progress indication when calculating tree dissimilarity matrices.
Fix double progress reporting when doing tree clustering bootstrap analysis.
Display tree cluster bootstrap analysis summary table.
Remove test menu creation.
Tree distances import.