pylint compliance corrections in pylearn2/gui/patch_viewer.py
Minor formatting edits for pylint compliance
more minor formatting edits for pylint compliance
Merge branch 'master' into pylint_fixes
Line length enforcement.
CSVDataset

A wrapper for reading CSV files
UTF fix
Removed spaces around '=' for keyword arguments, as per pep 8.
Fixes & enhancements

Added class-level docstring and an option to set delimiter for the input
file. Fixed np.loadtxt and dictionary comprehension failing in Python
2.6.
a unit test for CSVDataset
formatting
import fix
test file path
import statements
re-ordered imports
Replace duplicated data specs code with mixins.
Whitespace cleanup.
Fix method resolution order.
Fix MRO, import error.
PEP8, unused imports.