Merge pull request #10 from tiagofrepereira2012/master

bob/learn/em/empca_trainer.cpp

bob/learn/em/gmm_machine.cpp

bob/learn/em/gmm_stats.cpp

bob/learn/em/isv_base.cpp

bob/learn/em/isv_machine.cpp

bob/learn/em/isv_trainer.cpp

bob/learn/em/ivector_machine.cpp

bob/learn/em/ivector_trainer.cpp

bob/learn/em/jfa_base.cpp

bob/learn/em/jfa_machine.cpp

bob/learn/em/jfa_trainer.cpp

bob/learn/em/kmeans_machine.cpp

bob/learn/em/kmeans_trainer.cpp

bob/learn/em/main.h

bob/learn/em/map_gmm_trainer.cpp

bob/learn/em/ml_gmm_trainer.cpp

bob/learn/em/plda_base.cpp

bob/learn/em/plda_machine.cpp

bob/learn/em/plda_trainer.cpp