Modification to ngram.hh to mark to-be-pruned ngrams
second attempt at prunung
second attempt at prunung
Resolved conflicts
Working highest-order ngram pruning, lower orders segfaulting
Changed formula to conform with Chen&Goodman, fixes bad perplexity
Attempt at lower order pruning
Added hash_gamma.hh
Added hash_gamma.hh
cleaning up
Corrected highest order prune marking
Pruning seems to work now for all orders
Probably fixed pruning, needs more testing
Merge branch 'master' into pruning2
types
took nicer command line options from branch "pruning"
Merge branch 'master' into pruning2

Conflicts:
	lm/builder/interpolate.cc
	lm/builder/interpolate.hh
	lm/builder/lmplz_main.cc
	lm/builder/pipeline.cc
	lm/builder/pipeline.hh
Merge branch 'pruning2' of github.com:kpu/kenlm into pruning2

Conflicts:
	lm/builder/lmplz_main.cc
const
Simplified normalization, added a few comments