Add few stage5 results, code fixes and begins to caught warnings

code/bolsonaro/models/ensemble_selection_forest_regressor.py

code/bolsonaro/models/omp_forest.py

code/bolsonaro/models/omp_forest_classifier.py

code/bolsonaro/utils.py

...ge5/losses_base-random-omp-omp_without_weights-kmeans.png

...ge5/losses_base-random-omp-omp_without_weights-kmeans.png

...losses_base-random-omp-omp_without_weights-similarity.png

...ge5/losses_base-random-omp-omp_without_weights-kmeans.png