overview.dot

digraph sourcetree
{
   rankdir = TD;
   node [ shape="box"; style="filled" ]
   "mulle-foundation-developer"  [ fillcolor="yellow"]
   "mulle-objc-developer"        [ fillcolor="white"]
   "mulle-c-developer"           [ fillcolor="white"]
   "mulle-sde-developer"         [ fillcolor="white"]

   "mulle-foundation-developer" ->  "mulle-objc-developer" -> "mulle-c-developer"  -> "mulle-sde-developer"
}