Grad switch

Import

Sparse grad import

Update doc to mention theano-nose instead of nosetests

A c version for softmax almost identical to the bias softmax one

Update installation instructions for Windows

fix gh-915. But this don't fix the theano-nose import problem when outside the Theano dir.

Move SparseType to its own file and import it even when scipy is not the...

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.