Fix datasets/icml07.py

Reorder base class constructor arguments for consistency
Ensure unittests pass
Fix __init__ docstrings in pylearn2.models
Fix __init__ docstrings in misc. files
Fix __init__ docstrings in pylearn2.{packaged_dependencies,sandbox}
Merge pull request #698 from vdumoulin/init_docstrings

Init docstrings
replaced prints in costs
replaced print by logging in config
fixed module name
fixed module name for logger
replaced print by logging in dataset_get module
replaced print by logging in datasets
replaced logger strings name by python name keyword
replaced prints by logging in devtools
replaced prints by logging in expr
replaced prints by logging in gui
replaced prints by logging in linear
replaced prints by logging in models
reduced lines length for pep8
replaced prints by logging in optimization
replaced prints by logging in packaged_dependencies