Conflicts:
	theano/sandbox/cuda/cuda_ndarray.cu

out

0.6rc1

Flags

use profile_optimizer instead.

profile_optimizer replace it.

Use defaultdict instead of dict in memodict.

Python 2.4's dict ignores the __missing__ method, but we already
had an implementation of defaultdict in Python 2.4 that does.

Expand ~ in base_compiledir and compiledir.