made ZCA more stable
Merge branch 'master' of github.com:lisa-lab/pylearn2
Merge pull request #443 from goodfeli/master

Make ZCA more numerically stable
Update self.data_specs when calling convert_to_one_hot
Merge pull request #444 from lamblin/update_data_specs

Update self.data_specs when calling convert_to_one_hot
newer cifar-10 results, at least on validation set
Merge pull request #445 from goodfeli/master

newer cifar-10 results, at least on validation set
Fixed minor doc errors and did a little PEP8 cleanup
Minor doc updates
yaml_tutorial doc updates
Tutorial and documentation updates
Fix SVHN path handling.

if path ended with "/", it was not correctly working.
Fix GPU pooling code. This probably don't caused problem as normally the region is square.
reuse the same argument name in the doc as elsewhere.
Add the flops method to some ops.
fix doc.
Fix crash in the creation of pytables datasets
Update doc about Alex's K. implementation.
Regularized SM
Merge pull request #450 from dpkingma/regsm

Regularized Score Matching