Simplified CBBoost and corrected some CGDesc features

...noMultiViewClassifiers/Monoview/Additions/CBBoostUtils.py

...onoMultiViewClassifiers/Monoview/Additions/CGDescUtils.py

...m/MonoMultiViewClassifiers/MonoviewClassifiers/CBBoost.py

...rm/MonoMultiViewClassifiers/MonoviewClassifiers/CGDesc.py

...platform/MonoMultiViewClassifiers/utils/GetMultiviewDb.py

...view_platform/MonoMultiViewClassifiers/utils/execution.py