Construct and display the abstract graph.
Concrete wf execution as copied from previous incarnation.
Added ports as independent nodes.
Renamed method.
Rename methods.
Fill in additional fields.
Change appearance of graph.
Cleanup main.
Rename some fields and add check for scalar.
Rename method and relocate iterators.
Major restructuring.
Mainly building network of actors based upon abstract graph and input
data.
Merge branch 'master' of github.com:marksantcroos/marvin