Build Cython extensions in setup.py and deleted pylearn2/utils/setup.py
Added installation documentation and removed unused import in window_flip
Small doc change
Removed unnecessary package_data definitions in setup.py
Updated MANIFEST.in and setup.py
Updated MANIFEST.in
Removed reduntant info from MANIFEST.in
A little additional information
Merge pull request #829 from dwf/bartvm_setup_rebase

Bart's setup branch, rebased