Copied tables fix, as per Ian's recommendation.
Update .gitignore
Update .gitignore
Making PIL less of a harsh dependency
This merge is necessary only because I made an online edit before pushing
Merge branch 'DKruegerTask1'
Trying again to fix PIL dependencies
small edit
Fix pylearn2.datasets.exc.NoDataPathError's constructor
very small edit
removing parenthesis for proper import syntax
added missing import (warnings)
Transfer the output gradient of GPU ops back to GPU

This was not needed for the other ops in cuda_convnet, because
they were already calling gpu_contiguous.
added smoothing in plot_monitor
import warnings
fixed tests broken by pyflakes update
Make the travis buildbot run with python 2.6
Try to find why numexpr install fail.
remove install of numexpr to see why we need it. Also fix the version for one that work with numpy 1.5
re-add numexpr as it is needed for pytables.
install without sudo.