Merge pull request matplotlib#752 from WeatherGod/mplot3d/cla_fix

mplot3d/cla fix

Author: WeatherGod

lib/mpl_toolkits/mplot3d/axes3d.py

@@ -824,7 +824,9 @@ def can_pan(self) :
     def cla(self):
         """Clear axes and disable mouse button callbacks.
         """
-        self.disable_mouse_rotation()
+        # Disabling mouse interaction might have been needed a long
+        # time ago, but I can't find a reason for it now - BVR (2012-03)
+        #self.disable_mouse_rotation()
         self.zaxis.cla()
 
         # TODO: Support sharez