Removed code duplication in RectifiedLinear.
Once again.
Deleted old RectifiedLinear class.
set dtype for space test values
Merge pull request #385 from memimo/test_value

set dtype for space test values
pass batch_size to make_theano_batch
Merge pull request #386 from memimo/batchsize

pass batch_size to make_theano_batch
Merge pull request #379 from laurent-dinh/unify_rectifier

Removed code duplication in RectifiedLinear.