stacked autoencoder ipython notebook added
tutorials doc updated
fix path
second fix for path
fix python 2.6 issue
Bug fix: features space dim
Merge pull request #401 from memimo/daetutorail

DAE IPython Notebook Tutorial
Merge pull request #404 from memimo/dataspec

Bug fix: features space dim
Documentation on data_specs and spaces
Correct indentation in lists
Add missing characters
Replace :method: with :meth:
Merge pull request #1 from vdumoulin/lamblin-doc_data_specs

Fix sphinx syntax
"data set" -> "dataset"
Move to internal, fix "Python" to "python" in code-block
Move "big picture" earlier.
Merge pull request #408 from lamblin/doc_data_specs

Documentation on data_specs and spaces
added links to the arxiv paper