SUPERVISOR module
    Introduction to Supervisor
    Usage of Supervisor module
    Running Supervisor
    Editing graphs
       Creating a new graph
       Importing graphs from file
       Exporting graphs
       Copying graphs
       Inserting graphs
       Referencing graphs in the study
       Changing graph description
       Reloading dataflow
       Nodes in the graph
       Linking nodes
          Linking node ports
          Deleting links
          Modifying links
       Changing view mode
    Initializing and executing graphs