which allow to disable C code compilation
in old backend when it is set to true.

Abstract Ops for batch normalization

(small fix) Update `theano-cache` to prevent an error message printed when `device=cuda` on Windows.

flag `device` is set to `cuda` on Windows.

Implement indexing with empty list

Implement conv2d_transpose convenience function

Add exception when epsilon is too small.

Use GraphToGPU for the new BN opt. Also remove the LocalGroupDB, as it add extra overhead and wasn't useul as there is only 1 GPU version.

Update "import numpy" to "import numpy as np" (theano/misc)

Update "import numpy" to "import numpy as np" (theano/compile directory)