Merge branch 'master' of git://github.com/lisa-lab/pylearn2
Rename LxReg to LpNorm to be more consistent with the litterature
Add unit test for LpNorm
Add more code to LpNorm unit tests
Add necessary things for unit tests to work
Changes to test_lp_norm_cost.py
Rename LxReg to LpNorm to be more consistent with the litterature
Add unit test for LpNorm
Add more code to LpNorm unit tests
Add necessary things for unit tests to work
Change name from LpNorm to LpPenalty
Fix hanging test
Create download_mnist.py
Update download_mnist.py

PEP8 fixes
pep8, fix os.path.join error
Maxout.__str__
Merge branch 'master' of github.com:lisa-lab/pylearn2
fixed target space readout
Merge pull request #457 from goodfeli/master

Fix target space readout
Merge pull request #453 from skaae/download_m

Create download_mnist.py