Added bootstrap utilitiy, and minor stats improvements
Addding fault tolerance to MapReduce
Changed CHANGELIST
more code for dialogue handler
Example of task for MapReduce training of ANNs
More mapreduce
Improving mapreduce test
Added optimizer
Added optimizer package, which is focused in weight update
solved problems when saving/loading trainer objects, the optimizer was not being serialized/deserialzed properly
Adding optimizer options to tests of ann_base package
Minor change
Adding optimizer to map reduce
The optimizer is working well, and the first map reduce task is developed
Debugging MapReduce naive Lua implementation
Changed the API for loss functions: compute_loss and accum_loss methods
More for optimizer
Merge branch 'optimizer' into MapReduce