new file:   package.json
	new file:   src/hierarchical_cluster.js
	new file:   test/hierarchical_cluster.json
	new file:   test/test_hierarchical_cluster.js
	modified:   package.json
	modified:   src/hierarchical_cluster.js
	new file:   test/launch_clustering.sh
	modified:   test/test_hierarchical_cluster.js