Added more tests with blitz arrays

bob/learn/em/MAP_gmm_trainer.cpp

bob/learn/em/cpp/MAP_GMMTrainer.cpp

bob/learn/em/cpp/ML_GMMTrainer.cpp

bob/learn/em/gaussian.cpp

bob/learn/em/gmm_stats.cpp

bob/learn/em/ivector_machine.cpp

bob/learn/em/kmeans_trainer.cpp

bob/learn/em/plda_base.cpp

bob/learn/em/plda_machine.cpp

version.txt