Merge pull request #17 from nicholas-leonard/master

New tag-less rockspec
cutorch compatibility for adagrad
Merge pull request #19 from soumith/master

cutorch compatibility for adagrad
making rosenbrock test type independent (easy to extend externally to cuda tests)
Merge pull request #20 from soumith/master

making rosenbrock test type independent (easy to extend externally to cu...
changed learning rate for adagrad test.
add mcc, sens, spec, to confMatrix
Merge pull request #22 from skaae/master

add mcc, sens, spec, to ConfusionMatrix class
fix Confusion bug