moved the test_conv.py:TestConv2D test from fct test_basic to fct test_img_kernel_same_shape. This way it don't show up as the basic test that fail. The cause is the gcc on fc9 fail to properly compile that test when the image and kernel have the same size.

Modified theano._asarray to handle int64 as well, and throw an exception for types other than int32 and int64 if a type mismatch is detected. This fixes test theano/sparse/tests/test_basic.py:test_structureddot.test_opt_unpack

Implemented gradient of CrossentropySoftmaxArgmax1HotWithBias when there is an incoming gradient on the softmax's output

for the duration of a single function evaluation, rather than globally at the
creation of a DebugMode function

Move the generation of indices used for iterating over broadcasted tensors to _generate_broadcasting_indices

Added more explicit error message when trying to use verify_grad on something with more than one output

Fixed recent buggy implementation of CrossentropySoftmax1HotWithBiasDx.grad and added unit test to check it