Merge pull request #183 from goodfeli/master

MLP cleanup
made flip+window code take three lists of datasets: randomize, randomize_once, and center
Added coverage test for window-flip.
Merge pull request #184 from goodfeli/windowflip_fixed

made flip+window code take three lists of datasets: randomize, randomize...
removed some deprecated examples
Merge branch 'master' of github.com:lisa-lab/pylearn2
per-output monitoring of F1, precision, recall
added higher_is_better flag to SaveBest
added switch to monitor either classification or detection problems