minor cleanup
added mlp.py
added tutorial
bug fixes to new mlp class
made print_monitor print epochs seen
Merge branch 'master' of github.com:lisa-lab/pylearn
fixed bug in DBM.Softmax.recons_cost -- all experiments using this were
wrong
added more explanation to softmax regression tutorial
added SoftmaxPool layer to mlp
finished softmax regression tutorial
mlp tutorial
Fix failing test that constructed a shared variable from a tensorConstant.

This is not supported anymore as this create a generic and when people do this, it was a mistake. Also this shared variable wasn't used, so I just remove it.
Merge pull request #141 from nouiz/fix_test

Fix failing test that constructed a shared variable from a tensorConstant