fixed SoftmaxTree:updateParameters() bug
this converges faster
removed SoftMaxTree:updateParameters (cuda version) (use accUpdateGradParameters instead)
fixed SoftMaxTree:sharedClone (on cuda) bug
refactored maxNorm. Added accUpdate option
fixed accUpdate bug
SoftMaxTree.gradInput is a table (like input)
bug
Merge pull request #9 from nicholas-leonard/master

SoftMaxTree fixes