Modified computeLoss() to static
Removed deprecated logress_iter()
Changed the method name to computeUpdate()
Simplified implementation
Changed to abstract class to support EtaEstimator.get()
Added logisticLoss()
Fixed to support SumOfSquaredGradients used by AdaGrad
Added support for adagrad() trainer
Fixed a bug in AdaGradUDTF#processOptions()
Added @Override to update()
Refactored
Supported adadelta()
Merge pull request #105 from myui/feature/adagrad

Feature/adagrad