fix deprecated names, oglgrid and oglaxis (#334)

Author: fredroy

examples/ReadTheDocs_Example.py

@@ -12,7 +12,7 @@
 SofaRuntime.importPlugin("Sofa.GL.Component")
 
 def createScene(rootNode):
-        rootNode.addObject("OglGrid", nbSubdiv=10, size=1000)
+        rootNode.addObject("VisualGrid", nbSubdiv=10, size=1000)
 
         rootNode.findData('gravity').value=[0.0,-981.0,0.0];
         rootNode.findData('dt').value=0.01

examples/example-forcefield.py

@@ -33,7 +33,7 @@ def createScene(node):
         node.addObject("RequiredPlugin", name="Sofa.GL.Component")
         node.addObject("RequiredPlugin", name="Sofa.Component.LinearSolver.Direct")
         node.addObject("RequiredPlugin", name="Sofa.Component.ODESolver.Backward")
-        node.addObject("OglLineAxis")
+        node.addObject("LineAxis")
         node.addObject("DefaultAnimationLoop", name="loop")
         node.addObject("EulerImplicitSolver")
         node.addObject("CGLinearSolver", tolerance=1e-12, threshold=1e-12, iterations=25)