LoLADraw: Switch default layout.

LoLADraw.py

@@ -98,7 +98,7 @@ class LoLADraw:
 
         name = filename.replace(".lola", "")
         nodes = {}
-        graph = pydot.Dot(name, graph_type='digraph', layout='neato')
+        graph = pydot.Dot(name, graph_type='digraph', layout='fdp')
 
         places, markings, transitions = self.get_net(filename)
         print("Places: " + str(places))