Merge branch '17-adding-new-datasets' into 'master'

code/bolsonaro/data/dataset_loader.py

code/bolsonaro/models/model_raw_results.py

code/bolsonaro/models/omp_forest.py

code/bolsonaro/models/omp_forest_classifier.py

code/bolsonaro/trainer.py

code/bolsonaro/utils.py

code/ensemble_selection.py

code/forest_similarity.py

code/train.py

experiments/.gitkeep

...ents/20newsgroups_vectorized/stage1/none_with_params.json

...iments/20newsgroups_vectorized/stage1/none_wo_params.json

...riments/20newsgroups_vectorized/stage1/omp_wo_params.json

experiments/20newsgroups_vectorized/stage1/params.json

...ts/20newsgroups_vectorized/stage1/random_with_params.json

...ents/20newsgroups_vectorized/stage1/random_wo_params.json

...ents/20newsgroups_vectorized/stage2/no_normalization.json

experiments/20newsgroups_vectorized/stage2/normalize_D.json

...newsgroups_vectorized/stage2/normalize_D_and_weights.json

...nts/20newsgroups_vectorized/stage2/normalize_weights.json