Remove old NGramBuilder
Add ContinuationSorter.java and ContinuationSplitter.java
Add DeltaContinuationAggregator.java (empty yet)
Modify DeltaContinuationAggregator.java (work in progress)
Modify DeltaContinuationAggregator.java (work still in progress)
Rename classes in de.typology.smoother
Undo previous renaming
Remove skipping of even sequences since they are needed for Kneser-Ney
smoothing
Modify ContinuationDeltaAggregator.java and ContinuationSplitter.java
Merge branch 'smoother' into splitter
Add GLMZeroBuilder.java to Builder.java