* The New project toolbar button now works. A druid will display the

available workflows and ask you to select one of them. There are still
   a couple of unresolved issues, but it works, so i upload it to ease
   the use of the program.

workflows/pca_workflow.py

@@ -144,3 +144,5 @@ class LoadMoothaData(Function):
         sample_def = ['samples', sample_names]
         X = dataset.Dataset(x,[sample_def,gene_def]) # samples x genes
         return [X]
+
+PCAWorkflow.name = 'PCA Workflow'