Swapaxes

NEWS.txt:
-add theano.sandbox.linalg.{lstsq,norm}() (Jeremie Tanguay)
-add a_tensor_var.{fill,swapaxes}() (Jeremie Tanguay)
As now we don't implement axis, and this is not supported on old numpy version, can you just remove the try..exept and don't pass the axis parameter. It will make the tests work with old numpy