Merge branch '15.10' of https://github.com/Ultimaker/Cura into 15.10

cura/CuraApplication.py

@@ -529,6 +529,8 @@ class CuraApplication(QtApplication):
             op = AddSceneNodeOperation(node, self.getController().getScene().getRoot())
             op.push()
 
+            self.getController().getScene().sceneChanged.emit(node) #Force scene change.
+
     def _onJobFinished(self, job):
         if type(job) is not ReadMeshJob or not job.getResult():
             return

plugins/CuraEngineBackend/CuraEngineBackend.py

@@ -223,10 +223,16 @@ class CuraEngineBackend(Backend):
         self._socket.sendMessage(slice_message)
 
     def _onSceneChanged(self, source):
-        if (type(source) is not SceneNode) or (source is self._scene.getRoot()) or (source.getMeshData() is None):
+        if type(source) is not SceneNode:
             return
 
-        if(source.getMeshData().getVertices() is None):
+        if source is self._scene.getRoot():
+            return
+
+        if source.getMeshData() is None:
+            return
+
+        if source.getMeshData().getVertices() is None:
             return
 
         self._onChanged()

resources/machines/ultimaker2.json

@@ -43,19 +43,19 @@
             "default": [
                 [
                     -40,
-                    30
+                    10
                 ],
                 [
                     -40,
-                    -10
+                    -30
                 ],
                 [
                     60,
-                    -10
+                    10
                 ],
                 [
                     60,
-                    30
+                    -30
                 ]
             ]
         },