graflow: rehresh event to fix movenodes

graflow_examples/flows/testFlow2.json

@@ -0,0 +1,47 @@
+{
+    "nodesFile": "/app/thirdparty/buildoz/graflow_examples/nodesLib/nodesTest2.html",
+    "flow": {
+        "nodes":[
+            {   "nodeType": "process",
+                "id": "aze2",
+                "xcoords": { "x": 220, "y": 120},
+                "markup": { "text": "x = alph - 1" }
+            },
+            {   "nodeType": "condition",
+                "id": "qsd",
+                "xcoords": { "x": 250, "y": 270},
+                "markup": { "text": "x > 0" }
+            }, 
+            {   "nodeType": "preparation",
+                "id": "qsd2",
+                "xcoords": { "x": 250, "y": 470},
+                "markup": { "text": "prepare SQL" }
+            },           
+            {   "nodeType": "database",
+                "id": "wcx",
+                "xcoords": { "x": 500, "y": 450},
+                "markup": { "text": "MySQL<br>Store" }
+            },
+            {   "nodeType": "end",
+                "id": "ert",
+                "xcoords": { "x": 250, "y": 650},
+                "markup": { "text": "End" }
+            },
+            {   "nodeType": "start",
+                "id": "aze",
+                "xcoords": { "x": 220, "y": 20},
+                "markup": { "text": "StartMike" }
+            }            
+        ],
+        "links": [
+            { "from": ["aze", "out1"], "to": ["aze2", "inout1"], "endArrow":true },
+            { "from": ["aze2", "inout2"], "to": ["qsd", "inp1"], "endArrow":true  },
+            { "from": ["qsd", "out1"], "to": ["aze2", "inout3"], "endArrow":true  },
+            { "from": ["qsd", "out2"], "to": ["qsd2", "inp1"], "endArrow":true  },
+            { "from": ["qsd2", "inout2"], "to": ["wcx", "inout1"], "startArrow":true , "endArrow":true  },
+            { "from": ["qsd2", "out1"], "to": ["ert", "inp1"], "endArrow":true  },
+            { "from": ["qsd2", "inout1"], "to": ["qsd2", "inout1"], "endArrow":true  },
+            { "from": ["aze2", "inout4"], "to": ["wcx", "inout1"], "endArrow":true  }
+        ]        
+    }
+}