Initial port of wxPython demo from Classic to Phoenix.

Pulled and squashed from https://github.com/RobinD42/Phoenix/pull/7
Thanks Metallicow!

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@74199 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

demo/GLCanvas.py

@@ -41,9 +41,9 @@ class ButtonPanel(wx.Panel):
             self.Bind(wx.EVT_BUTTON, self.OnButton, btn)
 
         #** Enable this to show putting a GLCanvas on the wx.Panel
-        if 1:
+        if 0:
             c = CubeCanvas(self)
-            c.SetMinSize((200, 200))
+            c.SetSize((200, 200))
             box.Add(c, 0, wx.ALIGN_CENTER|wx.ALL, 15)
 
         self.SetAutoLayout(True)