maxent: OOP
update unittest for maxent
support configuration for optimizer
support feature selection: remove less frequency features
Update README.md
Update README.md
add logging implementation
add logging
add lda files
Delete model.h
Delete BLADE_ROOT
Delete BUILD
Update logging.h
emphasis copyright
updater README for python-sparselda
update README for python-sparselda
add lda.proto for python-sparselda
using NumPy
Update README.md
support travis