initial commit for MultiSoftMax
initial commit for MultiSoftMax
MultiSoftMax unit tests
MultiSoftMax works
initial commit for NarrowLookupTable
NarrowLookupTable:forward 1D works (unit tested)
NarrowLookupTable:forward 2D works (unit tested)
NarrowLookupTable:accGradParameters works (unit tested)
NarrowLookupTable:[accUpdateGradParameters,type] work (unit tested)
NarrowLookupTable ascDelta=true  works (unit tested) + doc
Merge pull request #14 from nicholas-leonard/multisoftmax

MultiSoftMax
merge
Merge pull request #15 from nicholas-leonard/skewedlookup

NarrowLookupTable
initial commit for TreeNLL
TreeNLLCriterion unit tests
TreeNLLCriterion unit tested
initial commit for library documentation
library documentation++
library documentation++
library documentation++