Change States
-------------

[graphviz]
----
digraph {
  node [style=filled, shape=box, fillcolor=lightgrey, color=black,
        fontname=arial, fontsize=30, height=1, width=3]
  edge [style=bold, color="#385d8a", arrowhead=vee, fontname=arial, 
        fontsize=20]
  Draft [fillcolor=cornflowerblue, color=blue4]
  Deleted [style=dashed]
  InReview [label="In Review", fillcolor=darkseagreen1, color=green]
  Submitted [label="Submitted,\nMerge Pending", fillcolor=darkseagreen1, color=green]

  Draft -> InReview [label="publish"]
  Draft -> Deleted [label="delete"]
  InReview -> Submitted [label="submit"]
  InReview -> Abandoned [label="abandon   "]
  Abandoned -> InReview [label="restore"]
  Submitted -> Merged [label="merge"]

  { rank=same; Draft; Deleted}
  { rank=same; InReview; Submitted}
  { rank=same; Abandoned; Merged}

  // formatting
  Deleted -> Submitted [style=invis]
  Abandoned -> Merged [label="evenlongerspacing", style=invis]
}
----